Thirty-year-old, F-rank adventurer, Leda Dixon, gets kicked out of his party and dumped by his girlfriend. Seeking a fresh start, he heads to the frontier town of Amルス. Along the way, he picks up a young girl and, being the kind soul he is, decides to become her guardian. Despite various mishaps, his unknowingly overpowered healing magic and Item Box skill make his new life incredibly busy! As a healer, he becomes indispensable to the town's people, even earning the title of 'Teacher'. Surrounded by a cute daughter and various girls who develop feelings for him, Leda's fulfilling life is filled with unexpected events. Requests from the lord, conflicts with former party members, and harassment from his ex-girlfriend—Leda overcomes these challenges, deepening his bond with Mina and enjoying a busy but happy life surrounded by girls who like him.