It's cross dressing.
Seme is like uke x uke is like seme.
kind, gentle and older seme x polite, friendly but mysterious highschool stud.
Alpha x alpha
Omega x beta
A pervert seme x innocence and pure foregne
A skinnier guy x manly guy
FUCKING CUTE! UNEXPECTED FROM HARADA SENSEI!! XD
A tsuntsuntsundere, perfect at works, mean, bully, like a brat, violent seme x cute, timid, clumsy uke.
Pervert gay seme x straight plain uke
Seme acts like a dog x strick uke
Wolf in sheep cloth(?) guy and gay mangaka guy
Edo era. Alphaomega.
Young master x lowly servant from theater shop
Otoshiana ni Hamerarete