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

Story

Leo Zeal, in order to become an adventurer, arrives in Innsbruck, a town established around the great labyrinth where the Demon King resides. 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. Determined to succeed as an adventurer so as not to repeat the misery of his past life, Leo spends the day actively and goes to sleep looking forward to tomorrow.

Synopsis via AniList (English).