It's been a few weeks of exciting firsts for Nagi after Aran agreed to be her practice boyfriend for a month. She knows it's just transactional, but she can't help but get carried away by the swirl of new urges and emotions that he unleashes in her. With the end of their agreement fast approaching, Nagi finds herself asking, despite herself-what if they don't stop after one month?

Nagi's feelings for Aran only continue to grow, but the closer she gets to him, the more confusing he becomes. He's kind one moment but moody the next, tries to pick a fight with her high school friend Shoma, and maybe even seems…jealous? But she's not the only one who has noticed a change. Aran's new impulses are starting to affect his work as an androgynous model. The photographer Yaesu doesn't mince words-if he stays with Nagi, it will ruin him.