MTL - The Legitimate Daughter Returns: The Real Daughter is Reborn - Chapter 21 learn the rules

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

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

After dying in an oddly anticlimactic vending machine accident, Kazuki Ren is reincarnated in the demon realm—not as a hero, not as a villain, but as the only human male student enrolled at the mysterious Academy of Ruin, a school where all the professors are demon lords and all the students are powerful, beautiful she-demons.Ren is told he has one task: survive.But there’s a catch. The Academy’s darkest secret is about to awaken, and Ren holds a hidden power that could either destroy the demon world... or rule it.Now surrounded by seductive demons with hidden motives, eldritch tomes, forbidden dungeons, and twisted exams, Ren must master his ability—or be consumed.Magic, mystery, danger, and temptation await in this dark academia harem fantasy.

Shen Ying is a task performer for the tragedy system. Her mission is to transmigrate into the role of the female lead in...Shen Ying is a task performer for the tragedy system. Her mission is to transmigrate into the role of the female lead in tragic romance novels, enduring one heart-wrenching love story after another.Unlike most task performers who resist such assignments, Shen Ying absolutely adores her job. The tasks are easy, the pay is high, and there are various hidden perks she can freely explore.The only downside is that the system keeps urging her to resign, insisting that someone of her talent shouldn’t be wasted in such a “small-time” system. It even actively recommends her to join a rival system next door.Moved to tears by the system’s concern, Shen Ying firmly declares that she will work here for a lifetime, dedicating her entire life to the system.Upon hearing this, the system is so touched that it sheds tears of gratitude.