Naruto System in One Piece - Chapter 515

The youthful Qin Ye was born almost a century ago, but thanks to immortality granted to him by the ‘fungus of aeons’ he can pass for a high schooler.

Read the first chapter. You will probably like it. ;)

Gu Nianshen had thought all along that he was raped by an older lady five years ago when he got really drunk at a nightclub. When he met a child who resembled him and Lin Yiqian, he carried the child in his arms.

“Where is your Mommy?” He asked. Calmly, the child pointed a finger at the screen of his phone.

“There. She’s performing at a concert.” Coincidentally, the screen was displaying how a wealthy fan gifted the female singer on stage with 999 roses.

Gu Nianshen’s facial expression turned spiteful as he gave his secretary an order. “Give Lin Yiqian a call. Tell her that her son has been kidnapped. She will have to turn herself in to get him in return.”

“Bad guy…” Before the child could finish uttering his sentence, his biological father had placed a hand over his mouth. “You are being kidnapped!” Gu Nianshen fumed.

- Description from Novelupdates

On the surface, she’s a gay high school boy. In reality, she’s the hacker known as Z, who hunts criminals on the Internet. A girl dressed in men’s clothes; a master at playing games, punishing evil, and having the highest skill in seducing girls. When people learned that “he” was actually female, the entire population blew up!