So powerful It's Irrelevant.

Hiro Shizuki a student at Union Academy he's a good student sticks to himself tries not to cause trouble but yet he is still bullied one day he ends up in another world where he fights for his life spilling unimaginable amounts of blood Hiro grew so strong everything was irrelevant to him even the Gods. With refined power through cultivation Hiro reached a level of cultivation never reached World Creation returning back to his powers and everything else.