MTL - Dawn of the Grey Tower - Chapter 278 2 to 6 (on)

After ten thousand years of cultivation, he could have achieved immortality. However, his lack of human experience led to his failure to attain immortality.Thus, he resolved to immerse himself in a century of human existence, seeking to enhance his journey toward immortality. What he didn’t anticipate, though, was that upon entering the human world, he would find himself cast as a son-in-law, facing disdain not only from his wife’s parents but also from his beautiful wife herself.Armed with a wealth of cultivation knowledge, how could he transform his drab human life?

Hulk was a pro football player, a guy who loved nothing more than clutching a pigskin and barreling through the defense like a runaway freight train. He lived for the gridiron. But he never, in his wildest dreams, imagined he’d see a pair of nipples bigger than a football. He became a giant baby, reborn with a new name: Orion. Orion was the runt of the giant litter, the weakest of the bunch. But when he turned ten, something crazy happened. He saw a strange panel – that not only displayed his stats but also helped him level up. With the panel’s help, and a whole lot of elbow grease, Orion led his giant tribe to become the most powerful in the Barren Mountains. He went from zero to hero, becoming a mighty Titan King. He was no longer the runt; he was the top dog.

Crossing into the world of Naruto, and acquiring the One Piece system, with all the powers of the world of One Piece, swordsmanship, devil fruit, domineering.

-Do you think that your fire is very powerful? I have the burning fruit.

-Do you think that your thunder is very powerful? I have a thundering fruit.

-Do you think that your otter is very powerful? I have the frozen fruit.

-Did you said you want to die? Don’t worry, I also have a nickname: Death Doctor.

- Description from Novelupdates

Mizuno Eiji, a siscon high school student, receives the worst news from his older sister: “I have a boyfriend now.”In order to identify the man who stole his sister, he follows her on a date and… sees a suspicious figure watching the two of them as well.That person is Hasegawa Aoi, his classmate who is famous for hating men despite being a beautiful girl!“I can’t believe you are actually a brocon.”“I never thought you are a siscon.”In order to make their beloved sister and brother to break up, the two of them formed a mutual relationship and went on a date as fake lovers while following the brother-sister couple… Aoi kissed Eiji on the cheek.“You’re the only one who is… special.”Brocon x Siscon, two people who shouldn’t be able to get along is actually a perfect match…!?