In his previous life, he was influenced by the heroine because of his vicious female counterpart. He tolerated the time-traveling woman countless times, which eventually led to his tragic death. After being reborn, she came to seek revenge. Unexpectedly, she met the time-traveling male protagonist, and they joined forces to defeat the time-traveling woman.
The idea: a reborn vicious female supporting character comes to seek revenge and join forces with the time-traveling man to beat up the time-traveling woman