Naruto System in One Piece - Chapter 497

Being able to see into people's past has no real appeal for the teenager this story is about, letting him use it only as amusement and to show off when he was drunk.Never watch into someone's past beyond a superficial level.Never try to find out more than you should.NEVER. EVER. LOOK. INTO. THE. FUTURE.But everything changed the moment he was forced to look into the future, was forced to investigate a murder, and was forced to make the acquaintance of the victim's twin brother('s fists).The more time passed, the more it appeared that the primary reason for this murder wasn't a local problem, but a global one.This single, marred corpse was the beginning of a threat that would shake the world.(MC looses a screw when he enters the prison)BL, first-person view; MC is shuo (perhaps even a reversible couple); love interest falls in love first; both MC and ML are straight, mutual bending, Enemies to Lovers

In the past, there was a small cannon fodder who wholeheartedly dedicated herself to the medicinal path.

Only after dying once did she learned that even if she was brilliant, she could only be an insignificant side character used to emphasize the female lead’s limelight. Any relationship with the male lead and other supporting male characters would bring her bad luck.

When going out to collect some medicinal herbs in Qingfeng Valley, she kindly rescued a male side character. The man woke up and saw the female lead and became eternally grateful to her instead. He thought that the monster that hurt him was brought by the small cannon fodder so she was punished.

The cycle repeated and eventually everyone she saved blindly loved the righteous female lead. Ultimately she was killed by one of the men who was entangled with the female lead.

……

So after her rebirth, she began to firmly adhere to the principle of ‘pay me first, then I’ll cure you’.

Male cannon fodders who love the female lead, charge them triple fee!

Male side characters who ambiguously entangled with the female lead, charge them 10 times!

Male lead, the most important one, charged him 100 times!

She single heartedly insisted on using money to distance herself from those men and drew a clear boundary between them. But her ability was too high, that the male lead and side characters from all over the world always came to her for help…

She finally became the richest person in cultivation world!

Su Bai wakes up and finds that the world has changed drastically. He realizes he has come to a world of pets. After accepting the new setting, he is determined to become a powerful Pet Tamer.

The King of Hell sentences you to death by midnight, but I can ensure that you live past morning.

The young man, Qin Lang, received the inheritance of a poison school by chance. He uses poison to kill people, uses poison to save people and he uses poison to chase beauties. With body of ancient extinct poison and a body of a martial artist, he walks around the city, and wanders around in the underworld.

- Description from Novelupdates