Betterman - S01

Keita Aono is an ordinary high school student who loves talking with his friends about military technology and the girls in their class. One day, he is surprised and happy to see a new transfer student in his class: his childhood friend Hinoki Sai. But when Keita tries to catch up with Hinoki after school, he accidentally wanders into Bottom World, an underground amusement park whose opening was canceled after an unexplained tragedy. As Keita explores the area, he eventually finds Hinoki in the cockpit of a strange robot. She is there for Akamatsu Industries, a company working under contract with the secretive international organization Mode Warp to investigate strange cases of violence around the world. After joining Hinoki in the robot, the two try to defend themselves against the park's attractions, which have come to life and turned violent. They cannot escape until a man with transforming powers, called "Betterman," joins their fight. Facing an enemy he does not understand and a rush of mysterious new technology, Keita joins Akamatsu Industries in a battle against a force they call "Algernon."