Isekai Harem Loop: Kurikaesareru 1-nichi kara Dasshutsu Suru Tame ni Dakimakurimasu

Leo Zeal aims to become an adventurer and arrives in Innsbruck, a town built around the great labyrinth where the Demon King lives. After losing consciousness after being caught up in the collapse of the Demon King's statue, Leo remembers that he is the reincarnation of Hirase Yoshito, a Japanese man who died in an unexpected accident.