Once upon a time, there was an idol who was all the rage but has now been forgotten by her fans.

Desperate to make a comeback, Utakata Ayuri sets about writing new songs but, try as she may, she can't make things work.

Keita Haruyama has arrived as a new manager but struggles with Ayuri's constant pushing around.

One day, Ayuri comes across a suspicious online self-help article. It claims that increasing one's sexual arousal will activate the brain. Seeing the benefit in this, Ayuri begs Keita and ends up having sex for the first time.

Ayuri soon becomes sex-crazed and begins to express her various desires to Keita, perhaps because she believes that if they have sex, she might be able to compose more songs.

[Rough translation from DLsite]