Sakura (Hoshino Mari) was invited to a barbecue party at Moe's (Rosa Kato) house, and Sakura hesitated whether to attend.She and Moe's husband Hoshii Hirohiko (Ikeda Ryo) did not communicate or greet each other well at Moe's wedding, and the atmosphere was always awkward when they met again.

However, when she actually attended the party, she found that she felt different than she did then and was relieved.On the other hand, Touki (Hiato Imai) was inadvertently said by Ye (Erika Takizawa) during the party: "Touki-kun, for some reason, he is a bit like a father", which made him feel something was wrong.

That night, after the fun time was over, Moe was alone and recalled the days when she was with Sakura in college.She reflected on what she had done so far...