My Dearest Self with Malice Aforethought v01-v07 (2021)

English translation of the Japanese manga Shinai Naru Boku e Satsui o Komete (親愛なる僕へ殺意をこめて).
Eiji the college-age virgin dreams of someday having a girlfriend...until he wakes up one day with his "girlfriend" in his bed with him! Not only that, his buddy tells him he got in a fight...and that three days have passed that Eiji doesn't remember? What dark secrets are being hidden...by Eiji himself?