Naruto System in One Piece - Chapter 439

A certain Xiao wang* embraced her who was in men’s clothing, rolled over onto the ground, not neglecting to kiss her with burning kisses.

She who was going to war on behalf of her brother yelled out, “Wangye*, I am a man! A man! Do you see clearly?”

Wangye acted as if nothing happened, accurately captured two fragrant, soft and sweet lips, one kiss after another: “This wang am recently sexually inclined towards males!” A certain female’s tiny waist was being crushed as she tearfully pled, “Wangye, please spread the rain and dew!”

A certain Xiao wang: “There are many potential lovers to choose from, but this wang only wants one.”

She, Linghu Shui Yue, a military doctor from the modern era, has reincarnated into a stupid sixteen year old girl?

She stupid? Then she’ll stupidly hit Qi* wang! Fortune favors fools! How about changing a husband to play with? What is Qi wang? She heard that You* wang was the world’s most beautiful man! Sleep, of course one must sleep the world’s number one beautiful man! Marry, of course she must marry the man all the women in the world want to marry!

But, isn’t this man too black-bellied? There was no need for her to even think about it for the man voluntarily presented himself at her door and used all sorts of wiles and methods to marry her as consort! There’s a conspiracy! Then come! And see how she sees through the subterfuge and completely demolishes it.

- Description from Novelupdates

Alex, a socially awkward guy with a mundane life, dies in the most ridiculous way imaginable — slipping on a banana peel while whacking off to an adult film. His embarrassing demise leads to an even stranger fate: he wakes up reincarnated as Jonny Sins, a rising star in a parallel universe where adult film actors are legendary heroes wielding unique powers of charm, seduction, and stamina.But life as a hero-pornstar is more complicated than it looks. Jonny is guided by Lustina, a seductive, snarky AI system offering him power-ups and quests — all with a price. As he navigates the absurdity of this erotic world, Alex discovers deeper mysteries about the System bound to him. Why was he chosen? What is Lustina’s true purpose? And why does the fate of the erotic multiverse seem to rest on his… performance?Armed with special techniques, limitless stamina, and newfound confidence, Alex must embrace his new identity as the Legendary Hero of Many Professions — doctor, soldier, astronaut, teacher… and aggressive step-daddy — to rise through the ranks and confront the ultimate threat to pleasure and freedom.It’s going to be a wild ride.–––[Jonny I've got an audition for you, are you interested?]Jonny: what's that?[Do you wanna act in a porn fraction? The role is an amateur twick is available for now]Jonny: Do you really want me to act as an amateur twick?.[If you aren't ok playing the role of an amateur twick, there is another role available. The role of an aggressive step daddy]Jonny: I choose the step daddy! I always loved to be a stepdad. I was born to play this role.

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of power enemies depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Liu Ming, since he was young, lived in a savage prison named Savage Island where the prisoners aren’t controlled by any guard or security. When the island sinks due to “mysterious” events, only a handful of people survive – those survivors are then pursued by the government.

On the other hand at another place two practitioners are worrying about what will happen to them because the young master that they were supposed to protect had died.

Their young master looks nearly like our MC
What will happen?