Yeonjun and Beomgyu have been friends since childhood. They are best friends and spend time together every day. But everything changed after entering university because Yeonjun realized that he was unrequitedly in love with Beomgyu.

Everything could have been perfect and Yeonjun could have had a chance to build a romantic relationship with Beomgyu, but Beomgyu has been in a relationship with another guy for two years now. One evening, Beomgyu habitually came to Yeonjun's house to hang out.