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 and regrets are common among people. Natsuki Haibara, a socially anxious college senior, has such feelings when he looks back on his high school days. He wishes he could go back in time and make different choices that would lead to a happier adolescence. One day, he finds himself seven years in the past, one month before his first year of high school. Now, Haibara has the chance to avoid his past mistakes and become popular in school. However, he must also find love and overcome his social anxiety. To succeed, he needs help with his physical fitness, online resources, support from friends, and determination. Watch as Haibara tries again to make the most of his teenage years.