JJK: My Lover is Maki!

I was reborn into the world of Jujutsu Kaisen as an ordinary, albeit ridiculously handsome, civilian. No cursed energy, no prominent clan, just a normal guy trying to study and survive. But I had two massive secrets. First: I knew the plot. and the absolute meat grinder this world was about to become. Second: My secret girlfriend was Maki Zenin. The problem? Good looks and perfect grades don't kill Special Grade curses. Just as the canon timeline begins and danger finally knocks on our door, a cold voice echoes in my mind. [The Partner Synchronization System has Awakened.] [Bond Detected: Maki Zenin. Affection Level: Max.] [Extracting and amplifying Partner's traits... ] [Granted: Heavenly Restriction (HALF) & Master-level Weaponry!] ....... — Description from novelcodex.org