Makoto: Bottom

Kirigiri: top

Byakuya: switch with a top lean

Sayaka: top vibes, so, uh, top

Leon: BOTTOM ASS BITCH

Chihiro: Top

Taka: switch with a MAJOR bottom lean. Like, barely tops but will if asked too.

Mondo: man gives me bottom vibes. Like, first time he'd definitely bottom but, like, for like the majority of the other times he toping, ya'know?

Hagakure: bottom but will top is asked too

Hifumi: I don't wanna think about it.

Sakura: Bottom

Aoi: Top 

(Jus someone I wanna add. Sakura's cannon bf) Kenshiro: Top. Him and Aoi would top Sakura, fIGHT MEH BITCH!

Celeste: Top. She refuses to bottom unless she trusts you and knows you well.

Toko Fukawa: I feel like she'll top if asked but not well. She's a complete and utter bottom.

Genocider: switch

Junko: She's a sadomasochistic. What the hell do you think!?

Mukaro: Hard bottom.