dazai was usually calm and collected, but ever since you two started dating he became jealous, but in reality it was just his insecurity.

you were currently talking to a colleague from the ADA, smiling while he made a joke. you just smiled so you wouldn't seem rude. dazai watched from afar, his eyes narrowed. after a while he approached you and wrapped his arms around her waist from behind, his chin resting on top of your shoulder.

"sorry, am i interrupting something?"