Tanjiro woke up in a place he didnt know and he was chained!,suddenly a black figure approaching behind him!who is it?

-Characters do not belong to me -Story plot does though -Book cover does not belong to me -Soulmate AU \\ Tanjiro has never heard of his soulmate from the very beginning. Usually, people receive writing from their soulmates on their forearms at an early age of 10. But he's 18 now and his soulmate never wrote to him. He did instead, but he doesn't know whether his soulmate gave a fuck or not. Soon, he learns the truth. His soulmate is a demon! But not just any demon. His soulmate is Muzan Kibutsuji. At first, he could not accept this fact. Not when he's destined to be with a heartless monster who slaughtered his whole family. However... he learns about this demon more and more each day, and soon, he's grown fond of him. But here was the catch: Muzan is under control. With Tanjiro's help, he continues fighting to break free. Has he finally done it? Did he break the real monster's control? Read this book to find out more...

Many omegas are treated badly in the society. Alphas and betas mistreated them. Some were abandoned after mating and their life was ruined. (not all some omegas were from wealthy families and were brats) Katsuki Bakugou the leader of ground zero, the most feared mafia in Japan and the top 5 in the world is searching for an omega to mate what will happen when he finds his childhood friend Izuku Midoriya in an aution house? no quirks

Deku, Bakugo, and Todoroki have feelings for each other. Deku already has a problem because he is an Omega, nobody knows this. Until he runs out of suppressants. Also mineta isn't in class 1-A because I don't like him and I also like the shinkami ship a lot. Omegas: Deku, Uraraka, Jiro, Tsuyu, and Denki Alphas: Kirishima, Todoroki, Bakugo, and Shinsou Betas: Iida, Tokoyami, and other people that I forgot