How can he not be possessive? You were his, and his only. But, of course, Chuuya Nakahara has to ruin everything. Chuuya was flirting with you, at the Port Mafia.

Dazai put his bandaged arms around your waist, looking at Chuuya with a possessive glare.

"Mine.." Dazai said as you and him walked away, talking a bit more. He put his head on top of yours as you sigh.

You always wonder how you dated him in the first place...