Fated pairs, mc x unrequited love's older brother, unrequited love may be requited after all as mc starts falling for their fated pair - seme fated pair is manipulative is hell. Not yaoi, should be labeled shounen ai unless there is something in some extras
I can appreciate the wild ride and seeing the change in yul by the end. But.....damn i feel like uke was raped/sa'd by every single character. Even the sister toed the line
A Link Between Relationships