The Beast King of Kamui Academy

After committing suicide due to his miserable life, a hikikomori is reborn in an alternate world of his own where abilities he had only seen in anime have become a reality. Believing he has been granted a free pass, he soon learns there’s a price to be paid, one he didn't realize he ever wanted to pay. Wanting revenge and redemption, the reborn hikikomori must learn the real reason he was reborn and the enemy that wishes to exploit him.