Another World Munchkin -Conquering The Dungeon As The Strongest And The Fastest With Only 1 Hp-

Story:

Kirihara Yukito is a regular guy. After another game his peaceful life with his precious caring sister Sana suddenly ends when the beast appears and attacks them, thus transforming him into "eternal peace". Moreover, knowing that Sana has also transformed into an eternal world, in order to find his beloved little sister, he begins his journey to another world …