Anime Like Mecha-Ude: Mechanical Arms

When investigating a strange sight he saw the night before, middle schooler Hikaru Amatsuga has his normal life upended when an orb, crying out for help, fuses itself to his jacket and turns into a mechanical arm.

The arm, a mechanical life form from another dimension, introduces itself as Alma whose race has come to Earth in order to symbiotically harvest a resource from humans that they need to live. However, the Kagami Group, from which Alma just escaped, has been exploiting these machines.

With the Kagami Group trying to reclaim Alma, Hikaru is forced to join ARMS, a resistance group trying to fight back against Kagami’s schemes.

Ryuuko Matoi is on the hunt for her father’s killer, and her only lead is the missing half of his invention, the Scissor Blade.

On her quest, she arrives at the prestigious Honnouji Academy, a school that is ruled over by the super powerful Satsuki Kiryuuin and her Elite Four. Believing Satsuki knows who killed her father, Ryuuko challenges one of the elite, but gets beaten due to their special uniforms.

After receiving a special uniform of her own, Ryuuko sets plans into motion to dominate the school and find out what happened to her father.

One night, sixteen-year-old Shinichi Izumi was peacefully sleeping when a race of parasitic aliens descended on Earth.

One parasite infects Shinichi, trying to get to his brain to take over his body, but ends up getting stuck in his right hand. Unable to relocate to the brain, the alien, named Migi, now has no choice but to learn to coexist with Shinichi in his body in order to stay alive.

Unfortunately, the other parasitic aliens are not so friendly with humans or to parasites that failed to complete their mission.

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.

Akiyuki Takehare lives on the peaceful Sentan Island between two warring nations with his mother. One day, when arriving at school he is caught in an explosion that produces a mysterious light that enters his arm.

Although it causes him excruciating pain, a random girl that rode the bus with him that morning will use it to lead him to incredible power.

Death City is home to a famous technical academy and ran by Lord Death himself.

At this academy, meisters train with their human weapons in order to evolve them into Death Scythes to be wielded by the Grim Reaper, Lord Death. Only by consuming 99 evils souls and the soul of one witch will a weapon be able to evolve.

This is the story of several students of the academy as they try to grow stronger and protect Death City in the process.

One night, high school student Kazuki Muto is killed while saving a girl from a monster. However, when he wakes up in his dorm, he thinks it was just a dream.

When he is attacked later with his sister, the girl he saved, named Tokiko Tsumura, appears and explains that these monsters are Homunculi and she fights them using Kakugane that form Busou Renkin weapons.

Having revived Kazuki using one of these Kakugane, he is able to form his Busou Renkin lance and fight alongside Tokiko.

Amnesiac Yuta Hibiki one day encounters Hyper Agent Gridman inside an old computer. Gridman tells him that he needs to fulfill his mission.

While sorting out what that all means, a giant monster attacks his city. Yuta then discovers he can merge with Gridman to fight the monster, but once it is done, everyone’s memories reset and the dead are forgotten.

Simon and Kamina were living boring lives in their deep underground village when, on an excavation dig, they find a mysterious object that turns out to be the ignition key to an ancient war machine.

With their new weapon, the pair are able to fend off an attack from above, but upon catching a glimpse of the sky, they set off on an adventure that will take them out of this universe.

After being ravaged by the Apocalypse Virus, Japan has fallen under control of the GHQ, an independent military force dedicated to the restoration of order. However, a guerrilla group called Funeral Parlor seeks to put an end to their despotism.

After a fateful run in with a key member of Funeral Parlor, weak and anti-social Shuu Ouma finds himself with a powerful new weapon, the ability to pull out manifestations of a person’s personality to wield as weapons.

Now he must make use of it in order to free Japan once and for all.

Renton Thurston hates his boring life in the backwater town of Bellforest. He wants nothing more than to have an adventure, but his grandfather insists he become a mechanic.

However, one day adventure literally falls through his roof in the form of Eureka, the pilot of a Nirvash type Zero and member of mercenary group Gekkostate.