After moving to Tokyo and failing at his dream of becoming a photographer, Kazuto finds himself working the night shift at a convenience store. He can't help but feel overshadowed by his childhood friend Yayoi, who realized her dream of becoming a successful model. However, after they suddenly move in together, his relationship with Yayoi starts to take an unexpected turn...

A childhood friend of Kazuto's, Yayoi attained her dream of becoming a model and gained popularity with young people for her attractive looks. Yet, behind the scenes, at home, she is quite a lazy person! Yayoi finds herself drawn to Kazuto but struggles to reveal her feelings, leading to restless nights spent grappling with her emotions...

Yayoi's older sister. She is free-spirited and loves to drink. Although she might be a bit of a hot mess, she occasionally shows a more mature side, and her sultry, seductiveness makes men fall for her.