Haibara's Teenage New Game+

Natsuki Haibara, a socially anxious college student, often reflects on his high school days with a mix of regret and longing. Haunted by memories of loneliness and awkwardness, he yearns for the vibrant adolescence he never experienced. To his astonishment, he finds himself transported back in time to one month before he embarks on his high school journey. Faced with a second chance, he is determined to rewrite his past and navigate the complexities of teenage life.

Armed with newfound resolve, Haibara sets out to avoid the missteps that led to his isolation, aiming to rise through the social ranks and win over the girl of his dreams. With the support of a childhood friend, a rigorous fitness plan, and a wealth of online advice, he tackles the challenges of adolescence head-on. As he strives to transform his once-unremarkable high school experience, Haibara learns that the road to self-discovery and connection is filled with both humor and heart.