Level 1 Kara Hajimaru Shoukan Musou: Ore dake Tsukaeru Ura Dungeon de, Subete no Tenseisha wo bu Chigiru
The Invincible Summoner Who Crawled Up from Level 1: Wrecking Reincarnators with My Hidden Dungeon·レベル１から始まる召喚無双～俺だけ使える裏ダンジョンで、全ての転生者をぶっちぎる～
Shinobu Iijima faces a devastating house fire that destroys his life and leaves his sister, Megumi, critically injured. He awakens in the game La Vita Online, only to find his character reset to level 1 with all data erased. His foster father, Ayumu, who died in the fire, has also been reincarnated in the game and seeks revenge against the siblings. As Megumi's condition worsens in the real world, Shinobu races to level up before her reincarnation. Using a hidden dungeon and powerful summons, he strives to reach the maximum level to protect his sister from Ayumu and others who oppose him.
