That Moment Then

Synopsis

Min-Seong is the most popular and dominant Alpha at the school. One day, he lost his inhibitions and went into heat and had a one-night stand without thinking... The other person was In-Seo, who was taking the same liberal-arts class as him, and Min-seong fell in love with In-Seo because of his bright personality. Min-Seong thought it was a natural meeting between Alpha and Omega, but In-Seo was a beta...?! (Source: BOMTOON, translated)