You are a member of an armed detective agency, Dazai has been your best friend since childhood but he heard that you were going to marry another man and he felt extreme jealousy,You had a cold and you were taken to the nurse's office and Kunikida told Dazai to take care of you.

"You must be sick? I brought medicine for you~." Dazai gives you medicine and that drug is an aphrodisiac.