At a singles event, the unlucky Hinata Tachibana fumbles once more, with his handsome best friend in tow. Complaining on their way home, they encounter a naked goddess who transports them to a new realm. Strangely, the goddess transforms Tachibana into a stunning blonde woman with an unmatched physique. To reverse this change, they embark on a quest to vanquish the demon king. However, Tachibana's newfound beauty attracts challenges at every turn. Will they manage to rescue the world before their close friendship takes an unexpected turn?