Spring Weapon Number One

A clandestine group of androids known as Numbers seeks global domination, but they are countered by a covert military unit named MAPPO, composed of elite operatives. When a MAPPO member attending high school encounters a new, oddly designed classmate who is actually a Number, the situation becomes complicated. The series includes standalone stories, such as "Saishuu Heiki Kon-chan" and "Shimatsuya K."