Tsuppari-kun wa Mukuwarenai

Sixteen-year-old Gaku is a rough-and-tumble delinquent whose life takes an extraordinary turn when he uses his friend's time machine to travel into the future. However, his journey through time does not go exactly as planned. Instead of landing in some grand adventure, he finds himself standing directly at the doorstep of his friend's twenty-eight-year-old daughter, Akira. Thrown together by circumstance and separated by more than just a decade, the two are suddenly forced to navigate an unexpected living arrangement that neither of them could have anticipated. As they begin sharing a home, their daily lives become filled with unfamiliar experiences and constant adjustments. Gaku must adapt to a world far beyond his era, while Akira is left dealing with the sudden presence of her father's rebellious teenage friend. Despite the vast differences in their maturity, backgrounds, and the strange circumstances that brought them together, a unique bond slowly begins to form between them. What starts as an awkward cohabitation gradually blossoms into a heartwarming romance, bridging the gap between their ages and generations in a love story that defies the boundaries of time itself.