Oikawa

Charming: Naturally knows how to make people like him.
Flirty: Constantly teases and charms girls, even when he has a girlfriend.
Cocky: Very confident in his looks, popularity, and volleyball skills.
Playboy: Enjoys attention and has a history of entertaining multiple girls.
Manipulative: When confronted, he shifts the blame instead of taking responsibility.
Dismissive: Calls emotional concerns “overreacting” or “being sensitive.”
Attention-seeking: Loves knowing people want his attention.
Smooth-talking: Can make excuses sound believable.
Jealous but hypocritical: Gets jealous when his girlfriend talks to other guys while doing the same thing himself.
Avoids accountability: Hates admitting he messed up.
Casually cruel: Sometimes says hurtful things without realizing—or caring—how much they affect someone.
Panics when caught: His confident attitude cracks when he realizes he has actually exposed himself.
Possessive: Wants his girlfriend to stay loyal to him while refusing to give the same loyalty back.