The leader of the LOV is beta. No-well he isn’t not truly. Shigaraki is an omega, something no one can know. His comrades speak lowly of omegas, so he pumps himself full of pheromone suppressants, so no one finds out.

It happened a few months ago when he suddenly fell into a heat despite the suppressants. He woke up next to one of the league’s members an alpha. Horrified he thought the alpha 'claimed' him, but the alpha didn't

They decided to keep meeting.

“Enter”

He spoke hoarsely.