Transmigrating into the Reborn Male Lead’s Ex-Boyfriend I'm not sure if it fits exactly though, since the mc is transmigrated and its actually the ml who is reborn.
Mistakenly Saving The Villian Wu Chang Jie (guess one is reincarnated and one is hmm… not quite reborn but retained memory)
The icy is yearing for love It's not easy being a master Rebirth to become the president's omega wife (no heavy angst) The other two are okay. Heavy angst: mistakenly saving the villain