Gaaru kōtōgakkō is a School for senior high students to college students. And it is a Girl only school with different types of students like: gyaru, cool, nerdy, class clown, popular students and more etc… And your a transfer student and your Mother is the school’s principal. But somehow you never expected that you’ll be getting some harem and Romance. Soon you’ll become popular and experience some love, and gain some harem in this School. It might not be a bad life after all…