Nine Astra Skies - Chapter 64 - Scarlet Sky Tiger

Crossing to One Piece world, he became Roger’s younger brother.

Unexpectedly, Gol-D-Roger who was in his fifties had a teenage brother. But he was so weak.

Fortunately, at the age of sixteen, he actually found himself with a possession soul system.

He had attached to the master IP man, also to the White Phoenix and to Ge Nie with his strong ability of the Hundred Step Flying Sword.

If you think that he can only Purchase these? Then you’re wrong!

Pain, Itachi, Ichigo Kurosaki, as long as there is money, any soul can be Purchased.

- Description from Novelupdates

The apocalypse arrived and the humans slowly adapted to the extreme environment.After the apocalypse, Su Jiyai’s life becomes more miserable at her foster parent’s house.Her foster mother kept finding ways to sell her, her cousins wanted to kill her to reduce the burden, and her foster dad tried to take advantage of her.However, it was the moment when her foster parents pushed her to get admitted to the Army instead of their biological daughter, that she left the home and severed her ties with them.When she was admitted into the Army, she fought with zombies with her bare hands as she had no superpowers.Just when Su Jiayi was fighting with the zombies near a mysterious place and was sure she would die, she accidentally triggered a system and became the owner of that mysterious place.Not only did she have a safe place to stay, but she also had a super amazing system that allowed her to multiply the things she obtained from Deminsion Hunting.[Ding! Vending Machine Detected! Congratulations to the host for obtaining the Vending Machine X ∞! The Host can start buying Vending Machines for 200 Federal Coins][Ding! A Deluxe Room Detected! Congratulations to the host for obtaining Deluxe Room X ∞! The Host can start buying Deluxe Room for 10000 Federal Coins]She opened her own residential area and grocery store.Her grocery store and the rental house soon became an instant hit and people from different places came to please her.As her business was growing, her foster parents came begging her but she just kicked them out.Oh! And wasn’t that the captain of Willow Army whom she had a crush on? Why is he looking at her as a lost treasure when he doesn’t even know her real identity…

Brolin, the nine emperor of the Black Dragon Mountain Empire, accidentally obtained the system of the realm of the world, and began the legendary journey of the battles!

In the Naruto world, with his star power, he overwhelmed the shadow-level powerhouses, grabbing reincarnation, and becoming a ten-tailed person!

Fighting the mainland, he led a large group of lords, surrounded the ancient eight clan, and confronted the peak Dou Sheng!

Covering the sky, he broke into the restricted area, seized the emperor’s scriptures and immortal medicine, and called the Lord of the human universe to fight supreme, and the sky was falling apart!

In the eternal life world, he crosses all realms, and fights against the Supreme King of Stone with the attitude of eternal true God!

Immortal continent, he jewels Jiuyang, looks down on immortal ancient, strong sky!

The perfect world, he runs across the sea, suppresses the heavens, and the Zhunxian Emperor must retreat!

Thinking of the eternal world, he ascended to the realm of Supreme Hunyuan, the fifth step of the war, Bai Xiaochun!

Heaven and earth, this is an epic of the black dragon!

- Description from uukanshu

…but it seems pretty doable.