You found out that Dazai had a mission to kill you, but in the end he fell in love with you. You knew he might be in danger right now for betraying his boss' orders, so you ran to his place, you barged in checking in every room, then you found him on the bathroom tub, laying there, dumbfounded, bleeding as tears fell down to his cheeks, as he mumbled:

"I'm sorry..."

He mumbled over and over again