Haibara-kun no Tsuyokute Seishun New Game

When a sudden, inexplicable phenomenon reverts high school student Haibara-kun back to his elementary school self, his perfectly normal teenage life takes an immediate, chaotic detour. Now trapped in the body of a child but with all his adult memories intact, he must navigate the bewildering world of high school from an entirely new perspective, all while trying to keep his secret under wraps. This hilarious romantic comedy explores the unexpected challenges and surprising opportunities that arise when growing up suddenly means growing down. As Haibara-kun attempts to maintain his facade and perhaps even salvage his budding romance, he discovers that the path to true maturity might just lie in revisiting his youth, even if it's in the most unconventional way imaginable.

✦ AI-drafted summary