I'm Not the Protagonist of the Ruined World?!

*This story is a fictional historical drama based on Joseon. Please note that historical accuracy may differ.** I was transmigrated into a Joseon-era tragic BL novel. As an extra who doesn't even appear. Perhaps it's because the character who was supposed to die didn't, I only intended to take away one of the main leads who tormented the main love interest. But for some reason, the main leads and even the main love interest won't leave my side. Having shared bodies and hearts, the original story is completely ruined. * "I won't do it if you don't want me to." The lead 1, who used to suppress the love interest with power and act prickly, now checks my intentions first. "Gyeol-ah, it's ...