Seme hates uke

Seme thought uke cheated with his father
Arrange marriage
Omega x Alpha
Mpreg (secret child)

Uke was the reason why seme's lover was murdered
Time travel
Omega x Alpha
Mpreg

Uke forced seme to be his fated pair
Alpha turned omega x alpha

Seme kidnapped uke and forces uke to remember what he did to seme in the past, unfortunately, uke doesn't remember him
Kidnapping
Revenge

Uke used to "bully" seme in the past. They met again, but uke didn't recognise seme, so seme pretended to be in love with uke to take revenge.
Bully x victim
Revenge

Uke caught seme kissing someone (i don't remember who) while the person is asleep
Love rivals

Arrange marriage
Omega turned alpha x beta

Uke is secretly in love with seme. Annoys and bully seme all the time to get his attention.
Tsundere uke

Transmigration