MTL - Super Soldier - Chapter 7 Not long after living?

Defiance of natural order of a single young Dragon soul.

Leiyin accidentally crossed into the One Piece World, and accidentally obtained the Naruto System.

The richest man, the Su family, suddenly has a three-year-old baby! Everyone thought that this little baby girl was the illegitimate daughter of Su Laoqi, a playboy in the entertainment industry. Who knew that the seven brothers of the Su family knelt down in a row and called her aunt!

All the people in Beicheng laughed to death: What does your aunt do except drink milk? It’s better that my aunt would embroider for me.

Su Laoqi: What is embroidery? My aunt can catch ghosts, monsters and zombies. She is top-notch in the world. Can your aunt do it?

Su Laoliu: My aunt can fly a sword and chase a plane. Can your aunt do it?

Su Laowu: My aunt knows how to use Guimen Thirteen Needles to treat diseases. Can your aunt do it?

Su Laosi: My aunt can figure skate five times. Can your aunt do it?

Su Laosan: My aunt can kill five at will in the game, can your aunt do it?

Su Laoer: My aunt has won awards for Chinese painting, oil painting and ink painting. Can your aunt do it?

Boss Su: My aunt can help my company make one billion a day, can your aunt do the same?

Later, when the Su family’s sister-in-law grew up, she quietly fell in love with her childhood sweetheart. The seven sons of the Su family roared in unison: Stay away from my aunt!

- Description from novelbuddy

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!