I'm Holding on to Nothing (An MHA AU Story)

Saijuuta Yamahoshi, quirk; Life Force. grants almost limitless endurance, enhanced strength, regeneration, and mental acuity, dependent on the user's willpower. ...at least, thats what's on file. the truth is, this power isn't a quirk. It's the power of an entirely different universe. Regardless of his power's past, S...