At a certain sorority party, Komachi (Hiroe Iguru) met his first love Yuichi (Takajo Inukai).Unfortunately, she drank too much and vomited profusely in front of Yuichi.The next day, Komachi suddenly remembered that Yuichi was married, and was confused about his appearance at the sorority party.

At this time, Yuyi sent a message inviting her to meet alone!Komachi felt very confused about the intention of Yuichi, who was already exposed and married, to invite him.

On the other hand, Komachi was deeply attracted by Yuuto (Yamashita Yuuki) who smiled innocently in the rain, and even began to care about his careless actions...