Takatora-kun to Omega-tachi

The omegaverse manga takes place at a special academy where the children of the elite gather. Within the academy, Takatora is part of the "Alpha Special Class." He is the heir to one of the most distinguished families, and is known for his physique, intellect, handsomeness, and overwhelming charisma. There's no one at the academy who doesn't know him. But one day, Takatora's physical condition changes, and he starts to exhibit the "heat" symptoms of an omega.

(Source: Anime News Network)