Aiko goes to the funeral of her ex, Jun, where she is approached by his older brother Seiichirou, a reclusive romance manga creator, who asks her to date guys, and then report back to him, so he can portray it in his manga.
Aiko Kuon shows up at his former boyfriend's funeral, where she is approached by his older brother Seiichirou Karibe. He asks that she help him write his romance manga, by dating guys and telling him about it. Seiichirou also takes in his late brother's young son.