Tsuyoshi Ikawa lives at home with his popular and beautiful sisters. Despite their qualities, his sisters and his mother are horrible at household chores, including cooking, so all these duties are taken over by Tsuyoshi while his father is away due to being temporarily transferred to another city for work.

Kaihei is a rather normal high school student but soon discovers that his deceased grandfather has left him the chairman position of his all-girls high school, St. Luminous Mission High School. Besides being the only male student on campus, he is also now the young chairman in charge of campus rules, happenings and punishments. When Kaihei arrives however, it seems a student has gone missing. Kaihei, along with his closest friends, are now determined to solve this mystery (without getting the local police involved) before graduation. (Source: ANN)

Mito isn't just another space pirate, she's a three foot tall childlike alien with enough guts to outshine a supernova. She's known as the galaxy's most dangerous pirate, a wanted criminal who destroys a dozen police space cruisers every day before breakfast. But all she really wants is to be called Mom. (Source: ANN)

The Stress Team floats over the city, locating stressed out people and transforming them into monsters. To combat this, three girls reluctantly transform into the Sweet Valerians, bunny defenders of justice. (Source: ANN)