Rin continues a casual sex partner relationship with Kaito, who works at the same cafe, because she has a good heart. However, when she suddenly receives news of her friend's marriage after playing around for so long, she starts to feel anxious about her current situation and begins to panic about whether she should seriously look for a boyfriend. Although she couldn't cut ties with Kaito, when he found out about Rin's feelings, he suddenly revealed his possessiveness...!
