Hidden -> Steals GF, cock-blocks and/or Dates others

Seme in -> sleeps around with s and s

Two guys - a teenager gone wild (eventual seme) and a manipulating store manager - fighting to win the affection of an ex-delinquent. Stupid plot; but I love the art, it's pretty unique.

Story ch.1-2
Uke in -> sleeps w/ MC's twin (substitute)
Was already mutual

Tragic love triangle w/ two twins and the uke concealing his guilt since MC's injury back during childhood.

Story ch.5 & 7
Seme in -> dates another
Was already mutual
No Happy Ending (I cried a river)

Recommended read

Seme in -> dates s
Was already mutual

Seme in -> Cockblocks + dates other s
Was already mutual

Recommended read

Oneshot Ch.7
Both in -> Both steal GF + date other s
Was already mutual

Two men who cut their friendship since Uke-kun's crush went out with Hirazawa, then cheated on him with uke-kun (etc ...), but so completely alike concerning tastes and habits they seem destined to bump into each other (pun intended).

Recommended read

Seme in -> Secretly sleeps with his twin's (uke) first love since high school days + serial rapist...

Follows twins living in an RV, Tsubaki (who's secretly pining after his bro) regularly forcing himself on strangers in front of Tsumugi, the eternal accomplice who never decided anything on his own. It's an humour noir, slice of life story, really unique, and I personally love it. And the art is so beautiful.

Recommended read

Both in -> MC dates / Uke steals them
Was already mutual

Recommended read

Seme in -> married the uke's sister while she married him to keep them apart
Was already mutual

Oneshot about two twisted and sadistic lovesick persons, and the receiver of these feelings driven to the edge.

Recommended read

Story ch.1-5
Okuzono (seme) in -> Steals Yamashiro's lovers since high-school
Yamashiro in -> dates others + gets married
Mutual for decades
Utsugi (uke) in -> pretend-lovers w/ Yamashiro
Love triangle

U is asked to track the wife of Y & discovers that she's cheating on him with O, who keeps stealing away Y's lovers. U, in love w/ O for 10 years, makes a deal w/ Y.