I'm a Bug in a Clichéd Script [Quick Transmigration]

[My first novel from when I was a newbie. A warning for World One: it contains angst and awful characters. The writing and plot are both immature, so I don’t recommend reading it.]

Ren Xuan had an easy ride for twenty-three years, until love tripped him up.

His new first love left before they’d even had time to grow close. Heartbroken, he was just about to become an emotionless playboy when, the very next day, he was forced to bind himself to a second-chance romance System.

Not only was he handed a melodramatic script, he was also abandoned by a whole assortment of exes.

System: It’s simple. You just have to win back the hearts of countless men.

Pure-hearted young man Ren Xuan: I can’t. I won’t. I can’t get past this hurdle in my heart!

After n worlds, Ren Xuan had become an expert on love. He said casually, "Men are all the same."

System: ...

*

Later, an ex from eight hundred years ago actually showed up at his door, acting as if they’d never broken up.

Ren Xuan: The nerve of you!

"To be honest, I’ve had countless boyfriends since you." Ren Xuan counted them off on his fingers, looking smug and triumphant.

You thought I’d spend every day crying without you? My life’s been plenty exciting!

Unexpectedly, the man undid a button, smiled, and said in a mild voice, "To be honest, every one of those men you mentioned was me."

Ren Xuan: ???

One-on-one pairing, no clones

Theme: After all the twists and turns, it’s still you