Love Triangles / Threesomes

Crush’s little brother -> Uke <-?-> Crush

Ch. 1-3 : love triangle between high school friends

Ch. 1-4, 6 : Seme -> Uke -> Friend

Ch. 1+2, 7 : Uke -> Seme -> Uke’s sister

3P

Ch. 5 : threesome; twins

Romantica : Misaki <-> Usami -> Misaki’s Bro
Egoist : Nowaki -> Hiroki -> Usami
Terrorist : Shinobu -> Miyagi -> Hiroki

3P

Ch. 1 : Seme’s Friend -> Uke -> Seme

Uke <-> Seme <- ? -> Fiancé