Giniro no Seven

A high school girl named Sakuya Igarashi discovers she is the illegitimate child of a royal family in a star system, making her a target for bandits seeking to exploit her for political gain. To protect her, Seven, a humanoid space battleship, is assigned to pose as her bodyguard at her school. The story blends elements of space battles, romance, and comedy as this unlikely pair navigates their new circumstances.