Miji (Hikaru Takahashi) realizes that her feelings for Matsunaga (Kento Nakajima) are “love”, but living under the same roof makes her unable to feel the distance, so she consults with two friends.They proposed to go together to socialize with three boys in the shared house, including Kentaro (Koji Mukai) and Ling (Daisuke Fujiwara).

However, Meiji couldn't open her mouth to Matsunaga and the others, and before she knew it, it felt like Meiji was planning a friendship to bring Shinho and Ling together.After hearing this, Matsunaga initially opposed it like his father, but under the persuasion of Kentaro and Asako (Kurogawa Tomoka), he allowed the friendship on the condition that it was Sunday daytime.

However, Meiji failed to invite Matsunaga, and as a result, the object of friendship became Ling's friend at the Medical University.

On the day of the sorority party, Matsunaga was alone and worried.

Kentaro couldn't stand it any longer and asked: “ Let's go to a social gathering together now?”, Matsunaga looked reluctant, but still accepted the invitation.On the other hand, Meiji ignored the bustling crowd in the karaoke room and kept paying attention to her cell phone, worried about any contact from Matsunaga.But as soon as Meiji and the others walked out of the store, they saw Matsunaga and Kentaro. Meiji felt hurt that she was ignored by Matsunaga...