In the Second Generation of the Trench, He Changed To the Ruanfan Script - Chapter 66:

Content Warning: R-18, Fantasy-Smut, Fetishes.Luke Hunter was once an average dairy farmer who lived in the countryside and supplied milk to a large company.After getting involved in a work-related accident, he dies a virgin and gets reincarnated into a fantasy world as the son of a very rich and powerful noble.Even though his noble family's domain is still in the countryside, this new life is nothing like the previous one.He has MoneyHe has Magic.He has a System.... And he has a big PP!Watch as Luke Hunter, the last born of the Hunter Noble Family, and only male heir to the Dukedom, begins to achieve his dream of tasting the breastmilk of women belonging to every single race in this fantasy world.The journey of Milk Harvesting is just beginning!

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

She is the underworld Ghost Doctor’s only disciple, who accidentally transmigrated into the body of the main wife’s daughter in the general’s mansion. She used to be a punching bag.Now, she stepped on her dregs of an older sister, put her father’s concubine in her place, and teaches any objectionable aristocratic ladies a lesson.

Luo Ling, an expert in the art of disguise, was bound to a System and was eager to begin his task.

As a result, before even successfully completing a mission, he got married!

At a 36 degree angle, Luo Ling sorrowfully looked up into space: “Tong’er, tell me, do I still have a chance to free myself?”

System: “… Your man is behind you.”

Luo Ling: “!!!”

The person who arrived, gathered Luo Ling in his arms, hugging him from behind as he said in a bewitchingly dangerous tone: “Based on your thoughts, it seems that I have not given you enough love. So let’s proceed in exploring ways to continue a new life.”

- Description from Novelupdates