Apocalypse Shelter: Mine Alone

Shinkai Sho is betrayed and consumed by the first love he trusted most, only to wake up reborn in a world where the end is only ten days away. This second chance comes with a godlike storage ability that could change everything he lost. Driven by a need to settle the score, he must rebuild his strength before the deadline arrives. The question is whether he can turn his hidden power against those who wronged him.