A squid-like alien creature comes to Earth from Planet Happy with a mission to spread happiness across the universe. The first person he meets is Shizuka Kuze, a neglected, bullied child who feeds the creature and names him Takopii.
Feeling indebted to her, Takopii makes it his mission to make her smile. When faced with an escort mother who is never home and a classmate who is brutally bullying the girl, making Shizuka smile is easier said than done.
I. am. distressed. If you are looking for more anime recommendations like Takopi’s Original Sin, head on down below.
Anime Like Takopi’s Original Sin
For Fans of Kids & Trauma

Erased
Recently, the detached, struggling manga artist Satoru Fujinuma finds himself going back in time to just minutes before tragedy strikes around him.
He has saved many lives with this power of “Revival,” but when he is wrongly accused of murdering someone close to him, Fujinuma finds himself sent back to his childhood. As he discovers, the recent death in his life is somehow connected the kidnap-murder of three children in the area that is about to happen.
This time, he may be able to use his power to save more than just one life, easing his past regrets in the process.
Similarities Between Takopi’s Original Sin and Erased
- Child abuse!
- Time manipulation in some form
- A boy attempts to help a girl out of her terrible situation to varying results
Differences Between Takopi’s Original Sin and Erased
- Takopi’s Original Sin shows a terrible situation, tries to fix it, and it gets worse/not better. Erased does actually “fix” a terrible situation and ends up in the wholesome place you wished Takopi’s Original Sin was going to.
- Erased is about an adult going back to his childhood to stop a series of murders, so its is not about bullying and abuse specifically, but it does play a part.
- Erased is a suspenseful thriller story.

Wonder Egg Priority
After the death of her best and only friend, Ai Ohto became a shut in. One night while on a walk, she is convinced by a mysterious entity to buy an egg.
In a world that only materializes in her dreams, she breaks the egg. This summons a person haunted by fears, regrets, or otherwise some trauma.
There, Ai is tasked with saving them, and by saving them from their trauma, she can perhaps save her friend, too.
Similarities Between Takopi’s Original Sin and Wonder Egg Priority
- Child abuse and/or adults failing children in major, fundamental ways.
- Young characters, serious topics like suicide and bullying
- An extraterrestrial animal companion, cute gadgets, sci-fi, and traumatizing incidents.
Differences Between Takopi’s Original Sin and Wonder Egg Priority
- Wonder Egg Priority is riffing on magical girls pretty specifically while Takopi is, though a quintessential mascot character like you would find in a magical girl story, just an alien.
- Takopi’s Original Sin is brutal right away and often. Wonder Egg Priority can be, but does at least have a few wholesome breather moments of friendship.
- Wonder Egg Priority does have some action to it.

Higurashi – When They Cry
Keiichi Maebara just moved from Tokyo with his family to the small town of Hinamizawa in the summer 1983.
As the town is so small, school children of all ages are lumped into one class. There he becomes fast friends with four girls where he spends his days after school idly playing games.
However, as the town’s annual festival approaches, he learns about a series of murders, disappearances, and other mysteries that surround it.
When he confronts his friends, he finds them mysteriously tight-lipped.
Similarities Between Takopi’s Original Sin and Higurashi
- Horror stories about young children in a rural town during the summer
- Child abuse and adults failing children in fundamental ways
- Murder, trauma, and psychological aspects that make the series distressing to watch at times
- Time manipulation
Differences Between Takopi’s Original Sin and Higurashi
- Takopi’s Original Sin is a concise story. The storytelling in Higurashi is non-linear, which can be confusing at first until you understand what is going on and why the story is being told that way.
- Takopi’s Original Sin is very clearly alien sci-fi while Higurashi is supernatural, but remains vague about what is actually happening until much later in the story.
- Takopi’s Original Sin is about abuse, bullying, and neglect, Higurashi is about something supernatural going on that makes children occasionally murder each other in a fugue state. There is some abuse, but its not the central element like it is in Takopi’s Original Sin.
- Higurashi is half cute slice of life and half traumatic horror, so it has a bit of a tonal whiplash at times.

Made in Abyss
The Abyss is an enormous cave system and the only unexplored place in the world. No one knows how deep it goes, but generations of bold adventurers have descended into it.
In the town at the edge of The Abyss, an orphan named Rico dreams of raiding, as her mother did before her. One day while exploring the murky depths, she meets a boy, who turns out to be a robot, kicking off the start of her epic adventure.
Similarities Between Takopi’s Original Sin and Made in Abyss
- Young children in uncomfortably traumatic, distressing situations
- Adults neglecting and/or abusing children
- Occasional moments of hopeful innocence juxtaposed right next to extreme human cruelty.
Differences Between Takopi’s Original Sin and Made in Abyss
- Made in Abyss is a fantasy adventure story about children delving deeper into a dungeon where morality is the first thing adventurers lose.
- Made in Abyss gets its traumatic elements from body horror, mostly.
- Made in Abyss does have a longer, ongoing story whereas Takopi’s Original Sin is a concise little tale.
- Made in Abyss does have some action to it, but it is more of an adventure story.

Flowers of Evil
Kasuga Takao is a bookish normal student, but when he goes back to look for his book in the classroom one day, he instead finds the gym uniform of his school crush. Without thinking, he takes it.
Now, all his classmates are on the lookout for a pervert, and he is being confronted by a friendless girl in class that saw him do it.
Similarities Between Takopi’s Original Sin and Flowers of Evil
- Children in the country having complicated, problematic relationships with each other
- Chillingly unhinged girl drags a troubled boy into her web
- Adults failing children in various ways
- Bullying.
Differences Between Takopi’s Original Sin and Flowers of Evil
- Flowers of Evil is about high schoolers undergoing the mental breakdown that is hormonal adolescence. It’s not quite so obviously about child abuse and neglect.
- Flowers of Evil shows its human ugliness visually in its experimental art style as well as through the narrative.
- There is no sci-fi or aliens in Flowers of Evil. It is all discomforting reality.

The Summer Hikaru Died
After becoming friends as the only two boys of their age in a small, rural town, Hikaru and Yoshiki were inseparable. However, one summer when Hikaru disappeared in the mountain woods, he finds his friend returned a little different.
The Hikaru he knows and spends all his time with now is not his friend. It is a mountain creature that took over Hikaru’s body and is living his life disguised in his skin.
Wracked with grief and unable to let go, an unsettling chaos begins to fall over their town as the creature grows closer to him.
Similarities Between Takopi’s Original Sin and The Summer Hikaru Died
- Horror stories about young kids in their rural town in the summer
- Slow, ominous visuals and storytelling that is often slowly becoming more distressing to watch
- Characters becoming increasingly, ominously, problematically attached to each other
- Affection and attraction makes characters overlook other problematic things.
- Otherworldly creature is attached to a specific human.
- At least some moments of a creature disguising themselves as a dead person.
Differences Between Takopi’s Original Sin and The Summer Hikaru Died
- The Summer Hikaru Died is about a creature replacing the main character’s friend, and him finding that increasingly distressing. The alien/mountain creature isn’t a cheerful, pleasant guy like Takopi.
- The Summer Hikaru Died has an element repressed sexual identity that flavors that relationship between the two boys.
- The Summer Hikaru Died is very much ominous monster horror. It doesn’t have the human horrors that Takopi’s Original Sin has.
For Fans Of Brutal Alien Stories

Dead Dead Demon’s Dededede Destruction
Three years ago, humanity made first contact with alien life when an ominous giant mother ship full of invaders suddenly appeared in the sky over Tokyo.
However, while the invaders remained inside their ship, the Japanese government scrambled to fight back, investing heavily in weapons production to target the mother ship and any smaller craft that may come out of it, sparking controversy among pacifist movements.
While the day that the mother ship appeared changed everything. In reality, it changed nothing. Kadode Koyama and Ouran Nakagawa live their final days as they always have – hanging out with friends and doing what any care-free high school girls would do.
Unfortunately, as they grow up and graduate, moving onto college, the situation with the mother ship grows increasingly more dire. As time begins to count down for humanity, they come to realize that the real threat to humanity is humanity itself.
Similarities Between Takopi’s Original Sin and Dead Dead Demon’s Dededede Destruction
- Alien sci-fi stories involving children
- Time manipulation
- Alien creatures that don’t mean any harm, but are subjected to our very human failings.
- Aliens with gadgets and humans who don’t use those gadgets in good ways.
Differences Between Takopi’s Original Sin and Dead Dead Demon’s Dededede Destruction
- Dead Dead Demon’s isn’t as hardcore with its bullying and child abuse, but it has its moments.
- Dead Dead Demon’s has more meandering slice of life moments to break up the slow-moving plot.
- Dead Dead Demon’s is the more complex sci-fi story
- Dead Dead Demon’s isn’t as distressing at all times like Takopi’s Original Sin is.

Shadow Star Narutaru
During her summer holiday with her grandparents, Tamia Shiina meets a strange-looking creature. She names it Hoshimaru and takes it home with her after the summer.
However, to her surprise, she finds that other kids have a creature like Hoshimaru. Even more shocking is that not all masters of these creatures are friendly.
Similarities Between Takopi’s Original Sin and Narutaru
- Cute alien creatures bond with children
- Starts cute, then quickly lets you know that they are going to do terrible things to kids here.
- Death, child abuse, and bullying.
Differences Between Takopi’s Original Sin and Narutaru
- Narutaru is like Pokemon if some of the trainers decided to use the power of their Mon creatures for evil and/or personal gain.
- Narutaru has more action.
- The alien creatures in Narutaru have less personality than Takopi.

Inuyashiki
At only 58 years old, years of overwork and stress has Inuyashiki Ichirou looking like he is well into his 80’s.
Ignored and disrespected by his family as well as diagnosed with cancer, all seems hopeless. However, a light descends from the sky and strikes Ichirou where he stands.
When he awakens, he finds he is a new man, one augmented with alien technology. He sees this as just the power he needs to become a hero and earn the respect of his family.
Similarities Between Takopi’s Original Sin and Inuyashiki
- Aliens decide to meddle in human affairs on a small, personal scale
- Alien intervention empowers the latent cruelty in an apathetic human
- Human ugliness on display
Differences Between Takopi’s Original Sin and Inuyashiki
- Inuyashiki is a more action-focused, harder sci-fi story
- Inuyashiki features aliens abducting and placing their technology in two people who use their new powers in two vastly different ways.
- Takopi’s Original Sin goes darker and more extreme, but Inuyashiki is more about the normalized ways we’re all awful.
For Fans of Psychological Trauma

Paranoia Agent
There is an urban legend going around in Musashino City about Shounen Bat, a boy that rolls around on roller blades and beats people with his bent golden baseball bat.
Numerous reports of his attacks have turned up, but the police have been unable to catch him.
As the investigation continues and more people fall victim, paranoia begins to set in.
Similarities Between Takopi’s Original Sin and Paranoia Agent
- Uncomfortable stories of human ugliness and characters in various stages of a having a mental breakdown
- Interesting psychological examinations
- A strange pink mascot character talking cutely.
Differences Between Takopi’s Original Sin and Paranoia Agent
- Takopi’s Original Sin features a linear story. Paranoia Agent has episodic stories that are weaving their way together by the end.
- Paranoia Agent does involve some children, but most characters are adults.
- Paranoia Agent isn’t so tensely distressing at all times, only some times.
- Paranoia Agent is about perception and reality as well as how paranoia can be infectious. This means it’s actively trying to mess with your perception of events.

Steins;Gate
In a rickety old building in Akihabara, mad scientist Rintarou Okabe and his lab assistants work on so-called future gadgets.
However, their most successful contraption to date, the Phone Microwave, a machine that can turn bananas into gel, also has the added function of sending emails into the past, thus altering the flow of history.
Similarities Between Takopi’s Original Sin and Steins;Gate
- Stories of human ugliness
- Sci-fi aspects (aliens, machine-based time travel)
- Time manipulation and trying to get better results than the last go-round.
Differences Between Takopi’s Original Sin and Steins;Gate
- Steins;Gate has some tragedy, but not quite as dire, frequent, and distressing as Takopi’s Original Sin.
- Steins;Gate is about adult characters
- Steins;Gate has a pretty intricate suspenseful thriller plot that gets pretty serious.
- Steins;Gate is fully, immediately about time travel and the Butterfly Effect of it all. Time manipulation is just a fairly small part of Takopi’s Original Sin.

School-Live
Yuki Takeya is in love with school life. She loves it so much that she joined the School Living Club with three other girls, their supervising teacher, and the club dog Taroumaru. This club makes the most of living at school.
However, Yuki’s blissful school life is all a delusion.
The real purpose of the School Living Club is to prevent Yuki’s fragile reality from shattering. In reality, these girls are surviving the zombie apocalypse by barricading themselves within the school.
Similarities Between Takopi’s Original Sin and School Live
- Children in terrible, distressing situations
- A girl is in the throes of some sort of mental breakdown and/or delusion.
- Cute things side by side with horrifying things
Differences Between Takopi’s Original Sin and School Live
- School Live is Cute Girls Doing Zombie Apocalypse Survival Things. So it is very moe girls in the middle of a violent undead apocalypse. It’s not the same story of child abuse as Takopi’s Original Sin.
- The main character in School Live is immediately in a delusion as a coping mechanism at the start of the series. Shizuka becomes delusional as the series goes on.
- School Live enjoys whiplash between really cute slice of life moments and distressing zombie survival with a real risk of those characters dying horribly.
Do you have more anime recommendations like Takopi’s Original Sin? Let fans know in the comments section below.



