You and Dazai had been dating for years and his also your senior because your in a grade lower than him, his the president of the art club but also really good at drawing stuff

You were getting ready to leave class to go home since you took art for the last hour he walked over to you to tell you to you to come over that night and pose so he could get the pose right for an art commission, you were at his house waiting for him to open the door before he finally opened the door