Starting to Gain Experience from Push-Ups - Chapter 488 - 291:

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

You boiled two eggs, Culinary skills +1.

You chewed a mouthful of cereal, your jaw is strengthened.

You are riding a bicycle, driving ability +1

you gazed at the beauty, your mood is very pleasant, your kidney function has been strengthened, Appraisal ability +1.

You see elderly women dancing in the public square, you can’t help but want to swing with their rhythm, dance skills +1.

You glanced at the newspaper, your reading ability is strengthened, knowledge experience +1.

You sneezed, your disease resistance has improved.

You took cold medicine, toxin resistance is improved, medicine proficiency +1.

You observe nurse use injection, your basic medical skills are strengthened, medical skills +1.

…… I don’t know what’s going on, my strength is improving even if I’m drinking cold water. I don’t want to stop, but I’m so worried…

- Description from Novelupdates

When Isaac opens his eyes, he finds neither eternal rest nor peaceful reincarnation... but a descent into hell. He wakes up in a world identical to his own, except for one terrifying detail: portals filled with monsters are popping up everywhere, and if no one stops them within three days, the apocalypse is upon us. Here, only enlightened hunters - graded from F to SS - have the power to confront these nightmarish creatures. The problem? Isaac is an F-rank, an orphan with no future, condemned to survive in the shadows of the strongest.But one night, everything changes. His spirit is torn from this world and plunged into another, a veritable hell where humanity is no more than a herd of slaves under the yoke of dragons. Tortured and broken, Isaac soon understands one thing: this other world isn't just a nightmare... it's a warning.As he fights for his life, a miracle occurs: an enigmatic system enables him to steal the power of the monsters he slays.[*Ding* Would you like to absorb the physical stats?]Weak yesterday, predator today, he has but one goal: to unravel the mysteries of both realities and crush those who would see him fail.With a katana in hand and a secret burning in his soul, Isaac refuses to be a victim. If he wants to survive, he has only one option: become the ultimate hunter... before history repeats itself.