MTL - Great Tang Idyll - v4 Chapter 976 Returning marriage

Reincarnated as a baby who was in his mother’s womb for a hundred years, the moment Lin Xuan was born, the whole world was shocked.

[The return of the Great Holy Spirit, blood boiling! 】 The father was killed, the family wealth was taken, all the hands and feet were interrupted, and the revenge flame was ignited, and the Qitian Dasheng inheritance was obtained. Since then, the rise of the sky, God blocked the killing, the Buddha blocked the Buddha! Qin Feng wore a gold armor and held a hand of the sea god: “I want this world for thirty-six days, and I will return to the big holy flag!”

- Description from Fpzw (Translated)

Nagasawa crossed to Naruto Universe and was bound to Konohagakure.If Konoha is severely damaged and destroyed, Nagasawa’s lifespan will be reduced.He panicked at the thought of the upcoming Nine-Tailed Demon Fox's attack , and the thought of Konoha getting destroyed left him in despair.Fortunately, while bound to Konoha, he can obtain templates of powerful characters.At the beginning, He got the Whitebeard template! Since it's the Whitebeard from the Summit War of Marineford, he can use Tremor-Tremor Fruit's ability and Haki.Facing the Tailed Beast Ball, which terrorized Konoha Shinobi, Nagasawa leaped and shattered the Tailed Beast Ball with one punch!

There’s the so called class transfer.

Among the high school students that were given cheat abilities, Kirishima Ran was given 『Underling Training』for some reason, a skill that can make a woman a slave.

Ran who was driven out by the kingdom using an absurd reason will make use of the given skill freely to take revenge on his classmates, release his desires (This is mainly the reason), and fight off the world’s system.

It’s a story of him using his wonderful skill making his classmates turn to an obedient cute and lewd slave.