Another World Munchkin -Conquering the Dungeon as the Strongest and the Fastest with Only 1 HP-Isekai Munchkin -HP 1 no Mama de Saikyou Saisoku Danjon Kouryaku-; 異世界マンチキン　ーＨＰ１のままで最強最速ダンジョン攻略ー; Otherworldly Munchkin: Let's Speedrun the Dungeon with Only 1 HP!; HP 1인채로 최강최속 던전공략; 异世界玩家用HP1 进行最强最快的迷宫攻略; Юный попаданец остаётся на том же уровне

Depicting the story of a shut-in, Kirihara Yukito, after being reincarnated into another world. His peaceful life with his precious caring sister, Sana, suddenly come to an end when a beast appeared and attack them, thus reincarnating him into the “Ever World”. Moreover, knowing that Sana also got reincarnated into the Ever World, for the sake of finding his beloved little sister he begins his journey in another world…