Dazai is a mafia same as you.. You're a mafia too..You work with him..He's your bestfriend since you meet him at the first..

One night you and him go to the bar to find the one you two must killed..The target is sitting on the chair while holding his wine ..he's looking at you..

Dazai then grab your arm and he start to dance with you..he's other hand is holding your waist..but you ignore it..you still focused on your target..

Dazai: I have a plan..just act like we're a couple..okay?