I'm not your hubby!

Summary

Itsumi was an ordinary office worker until he got hit by truck-kun, in the end. He got reincarnated into the bl novel that he was reading as a baby, as he got used to his life. Forgetting about what happened in the novel naoto and itsumi have become friends with benefits for a long time, one of the clauses in their contract is to not gain any feelings for the other party. sex only, their contract ends in 3 years and they only have 3 months left untill naoto got into a car crash and lost his memories. he mistakes itsumi for his boyfriend and later on as his husband who he mistreated, Suddenly after years of living in this world. the novel came back to itsumi's memory and he remembered that naoto is actually the villain in that novel and that he's the supporting character who got played by him, what will he do now?