Both if them are enemy and then one daye the omega dude shishikura got into heat when he was on the way back to his home. At that time the alpha kotani also was with him. It's start when shishikura asking help from kotani to buy him suppressant for omega heat even though they not good with each other. Afther kotani bought the suppressant and going to deliver it to shishikira house. When he arrive, kotani found shishikura was struggle with his heat, half naked and suddenly begin to beg to kotani to help him with his heat after found out that guy was alpha. And that it start the blooming between enemy until both of them confess that they like each other. Well, of course at fisrt bith of ghem ia fuxking dumb, blind by they so called "hate each other" that they did not kniw their true feelings. The trigger was when shishikura mom suddenly arrange a blind date, a marriage blind date for shishikura.
Unmei no Tsugai ga Omae da Nante