Naruto System in One Piece - Chapter 530

Kim Taejune, wanted to be a “hero,” a “savior” to all the weak. After reading books about them, he too wanted to be one. Yet he lacked power, he didn't have any skills, and the command system everyone else had but one day, his dream will come true. His path leads him to encounter Yoon Harin a woman who after the death of her twin younger brother Yoon Jiho was transmigrated into his novel, “Calamity Hunter” the “god” of this world makes a deal with Yoon Harin to bring her brother back to life IF she can survive as a savior till the end.

Living things really are ignorant – the greed to obtain the key to knowledge and the fundamentals of energy overpowers them. Little do they know that knowledge is full of lies and energy is the root of destruction. Us, mages, have mastered travelling through space and time. We are invincible, we can turn worlds into dust and you, mere ants, will be wiped out with no trace.

-Mage Adam

An A.I.(Artificial Intelligence) gets reincarnated into a world where he becomes a mage.

Which one would you choose between 700 points and 7 million in the college entrance examination? A few minutes ago, Luo Fan would have chosen the blue capsule without hesitation, and slapped the person who asked this question across the screen, but today this choice actually came true, facing 700 points and…

- Description from novelbuddy

Two hundred lifetimes! Two hundred miserable deaths! Leon is a 27-year-old man who experienced a rollercoaster of 200 reincarnations within 180 days. He was so unfortunate that he even died once when he was about to masturbate to hentai! Each death carries the regret of his virginity as he keeps dying without getting a chance to fulfill his only wish…losing his virginity. But his luck finally changes after the 200th death, and he encounters the Goddess of lust, who makes him an offer to be reincarnated with a gift. (Ding! System awakening…) (The super Harem system…) (Ding! The host has seen the secret garden of a heavenly beauty, reward!) (Ding! Mission issued: have sex with the sex mistress!) “All heavenly beauties shall be mine!” Join Leon on his journey to enjoy life to the fullest as a virgin who got his hands on a sex hack, conquering heavenly beauties and even Goddesses! Additional Tags: R-18, HAREM, ACTION, ROMANCE, ADVENTURE, REINCARNATION, SYSTEM, Overpowered Protagonist, ANTIHERO, SMUT