Haibara-kun no Tsuyokute Seishun New Game

Haibara is haunted by his memories from high school and college. Natsuki Haibara spends his entire high school life in loneliness and missed chances. One day, he finds himself in the past, just before his first year of high school begins. With a new opportunity to fix his past mistakes, he tries to rise socially and avoid becoming an introvert. Through hard work, guidance, and determination, Haibara attempts to create the teenage life he has always wanted.