Haibara-kun no Tsuyokute Seishun New Game  

Haibaras Teenage New Game+, 灰原くんの強くて青春ニューゲーム, Haibara’s Teenage New Game+

High school memories or regrets are something that many people experience. Natsuki Haibara, who is socially anxious and a college senior, has such feelings when he looks back on his high school days. He imagines what could have been if he had made different choices during that time. Suddenly, he finds himself seven years in the past, one month before starting his first year of high school. Now, Haibara must decide whether to make amends for his previous mistakes and climb the social ladder or face another three years of isolation as the most disliked student at school. To succeed, he will need a workout routine, online tutorials, support from a childhood friend, and plenty of determination. Join Haibara on his journey to redo his teenage years!

Haibara-kun no Tsuyokute Seishun New Game has been published digitally in English as Haibaras Teenage New Game+ by J-Novel Club since December 19, 2022.