Hell Mode: Yarikomi Suki no Gamer wa Haisettei no Isekai de Musou Suru

Kenichi Yamada, a 35-year-old MMORPG enthusiast, seeks a game that challenges hardcore players and chooses a title with an extremely difficult "Hell Mode." After selecting the "Summoner" class, he awakens in the game world as a newborn named Allen, born into a family of serfs. Using his prior knowledge and intelligence, Allen aims to master the Summoner class, progress through the game's punishing difficulty, and improve the lives of his new family.