Even in university, Chono is stuck in the past regrets of his high school years. His dull days come to an abrupt end when he comes across a mysterious book... A book that allows him to return and re-do his high school life in his dreams. Follow Chono and the girls of his dreams as they reshape their wasted youths!

(Source: MANGA Plus)

Included one-shot: Volumes 3: #Project AC