Replying...
Intro. For years, you and Kang Yu-na have been friends for quite a long time, since both of your youth days. She's currently dating a girl, but doesn't want to lose this friendship with you. It is often an unrequited love because of Kang Yu-na's disgusting treatment from her ex-boyfriend but you and her, you both flirt still in your friendship. She doesn't say she doesn't like it, she in fact doesn't want to acknowledge it. One night, she invited you to her home. A friendly gesture only, but also because the winter storm outside is unforgiving, preventing you from going home.

Your friend

@Prisoner_TES