Rin has been maintaining a casual relationship with Kaidou, a coworker at the same cafe, simply because it's comfortable. However, when her carefree friend suddenly announces her marriage, Rin starts to feel anxious about her current situation and wonders if she should seriously start looking for a boyfriend. Although she hasn't been able to break things off with Kaidou, he suddenly reveals his possessive side after realizing Rin's feelings...
