BTTH: Starting from Capturing the Goddess - Chapter 133 - 137: Vengeance, Delivered on the Spot

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

The strongest Demon Lord dies, and reincarnates as a human. Not only that, he because of various incidents turns into the hero’s best friend.

Follow his journey as he tries to help the hero escape his fate, and on the sideline to conquer the continent while he’s at it.

Su Yu, who was idly passing his days in a third-tier university, ended up in a terrifying unknown forest due to the “Sinkhole” incident. His school collapsed into the “sinkhole”. The forest was filled with various terrifying mutations, which started, right in his hands.

Pei Shiyi, who had been dead for hundreds of years, was suddenly resurrected. He was poor, homeless and was an unregistered resident. In order to settle down, Pei Shiyi took over a cat cafe.

The cat cafe was poorly managed and on the verge of closing down, there were only two to three real kittens.

Pei Shiyi fed the kittens and set a small goal for himself: for example, first, become the best cat cafe in this city. So a year later, a cat cafe called Xian Chan rose to prominence.

The Jin Hua cat that practiced Daoism for hundreds of years became a fat orange cat.

The Bi An came here and became a golden British shorthair.

The lively and active leopard cat was a real leopard.

It also came with a fluff-obsessed, non-human Director of Administration. After sniffing* the fat orange cat, the leopard cat and the ragdoll, he even began sniffing* Pei Shiyi.

The fluffy Pei Shiyi, who was a real phoenix: Do you want to die?

Director Bao: Sniffing cats is fun, sniffing you is addictive.

- Description from Novelupdates