You get a show that treats tiny robot girls like actual characters instead of fanservice props, then strips that respect away the moment combat starts. The tonal whiplash between domestic slice-of-life and brutal mechanical warfare is the entire point, these aren't just cute companions, they're soldiers that bleed oil and get repaired on your kitchen table. It's cynical enough to work, sincere enough to matter.
In a peaceful future where tiny robots called Shinki have become household companions, high schooler Masato lives with three devoted mechanical partners: the reliable Ann, the cheerful Aines, and the graceful Lene. Standing just fifteen centimeters tall, these androids possess genuine personalities and emotions, treating their service to Masato with genuine affection. What sets them apart from ordinary assistants is their combat capability. Equipped with weapons and armor, Shinki engage in battles that range from casual sparring to serious competitions, creating a thriving subculture around these miniature warriors. Everything shifts when Strarf, a hot-headed newcomer with an aggressive fighting spirit, joins Masato's household. Her combative personality clashes with the established dynamic, forcing the other Shinki to adapt while Masato discovers there's far more to these machines than programming. Balancing heartfelt comedy with genuine action sequences, the series toggles between domestic moments where the Shinki show their human-like qualities and intense battles where their weaponry truly matters. It's a show about companionship that doesn't shy away from letting its characters actually fight.