Mari wa Happy End de Onegaishimasu
マリはハッピーエンドでお願いします
A sharp-tongued and mischievous schoolgirl aims to become a housewife by age 20 and pretends to act like a lady in order to find the ideal husband. When a popular musician named Aoi unexpectedly proposes, it is not for marriage, but for her to become his vocalist. She agrees, and the two begin a relationship marked by their contrasting personalities. One is a calculating student with ulterior motives, while the other is a musical prodigy lacking in common sense. Their story explores the dynamics of a couple who are completely mismatched.