Akane, now happily married, is a woman of few regrets. She does have one big regret, though. And, like most regrets, this can also only be solved with time travel and premarital sex. 
(Source: Irodori Comics) 
Released at Comiket 97

Our hopeless MC confesses to the toughest girl at school and gets shot down immediately. But she says she'll give him a chance... if he passes her crash-course on treating her like a human being!
 
(Source: Irodori Comics)
 
Note: The manga got licensed by Kadokawa on 2022 and got its first official volume published on January 27, 2022.

Tags