He can't Become an Adult, But

Maki, a beautician, is an [Alasar girl without a boyfriend] even though she [lives with] Yuta, whom she has been dating since high school. Because Yuta is a [ghost] that floats in the form of a high school student.
They can't hug or kiss each other, but Yuta and Maki love each other. One night, her colleague Hiyama, who sent Maki drunk at her drinking party, found out about their secret relationship! ? ! ?
A love story between a handsome high school student and a single-minded Arasa hairdresser.