Last Boss Toubatsugo ni Hajimeru Nishuume Boukensha Life

Adventurer Might lost his life while defeating an evil dragon. However, he was brought back to life by the blessing of a goddess who heard the wishes of the companions who saved the world together. Furthermore, due to Might's own wish, his class changed from Thief to the Sage he had always admired! When Might, who returned to Level 1 as compensation for changing his class, heads to the beginners' guild, he finds 'a group of girls in a beginner party' arguing about something...? The second-life adventurer's harem fantasy begins!