Yoichi Shigaraki

Yoichi Shigaraki was the younger twin brother of All For One, as well as the first user and progenitor of the One For All Quirk. He was presumed to be Quirkless, and could only watch as his brother committed atrocities. When his brother decided to forcefully implant a Quirk within him, it was discovered that he really did have a Quirk, one with no other power than that it could be transferred to others. The merging of the two Quirks resulted in the creation of "One For All". Due to being physically weak, he was unable to make effective use of his new power. So instead, he decided to pass this ...

Despite his weak body, Yoichi was recognized for having a strong sense of justice, which came into direct conflict with the ambition and megalomania of his older brother, Zen. In the past, Yoichi tried to stop his brother many times, as Zen killed whoever he came across while stealing their abilitie...