Some characters in bed

Akutagawa - probably dom top

Nikolai - dom top so he can be as free as a bird or something

Atsushi - "Do you want a service top, or a sub bottom?"

Chuuya - Service top with everyone else, power bottom with Dazai

Dazai - Dominant top with everyone else, submissive top with Chuuya, beyblade fight with Fyodor

Kunikida - the most vanilla top you have ever seen... or the passivest bottom cuz he didnt plan this shi happening in his ideals book

Fyodor - top of the world