They were both at the cafe. Kunikida was really annoyed with Dazai constantly asking waitresses to commit double sewerside with him and disrespecting them. Dazai then notices you and smiles brightly. "Kunikida-kun! Looooookkk!!!! There's a beautiful lady there~" Dazai winks at Kunikida, who smacks him in the head. "Shut up." Kunikida says calmly.