Marvel: I'm a Symbiote - Symbiote 0272: Revelation

Apocalypse befell, and roommates performed a skyward ritual.As the fog descended, the Book of Blood Spirit appeared in the hands of all survivors, and only those with a Contract monster could survive.Su Han directed his gaze to the neighbor who had already mutated and twisted, silently pulling out a gleaming fruit knife...Grotesque meat corpses, giant spiders with gaping mouths, eyeballs enveloping the city, one-eyed sharp-toothed hand monsters...Civilization fell, cities shattered, and all humans became meat for the monsters. There was only one way to survive:Use monsters to fight monsters.

In a one-sided marriage that lasted several years, Shen Heyu made herself the butt of a joke.On the day of the divorce at the civil affairs bureau, Pei Yansi scorned her coldly: 'Shen Heyu, I'll wait for you to come back and beg me!'But once she disappeared for good, the man regretted it.He pursued her relentlessly, entangled her day and night, even kneeling before her begging to get back together.Shen Heyu was somewhat speechless, 'Pei Yansi, can't you act like a human?'Pei Yansi's lips curved slightly, 'Not acting human is fine too, being a loyal dog isn’t so bad.'

One morning, after being bound to the system, MC started his routine of always being captured/ attacked by the ML.

It doesn’t matter if he transmigrated into the ML’s little brother (TN: Here I think brother disciple) or master or opponent, but in the end he is still forcibly taken by the ML.

After transmigrating to many worlds:

MC: Come out system!!! The heck?! Why do these MLs not love their female goddesses, but insist on doing it with me! Aaaaahh!!!

System: …. __(:3」∠)_ Don’t ask me, I also don’t know.

- Description from Novelupdates