Naruto: Uchiha's Unserious Saga - Chapter 354: Rinnegan? Again?!

Collection of short stories.

- Description from Novelupdates

[Ding! You've gained ten thousand Drug Points! You can now use “Hypnotic Drugs.”][Ding! Due to the host's tendencies, the effects are twice as effective on females.][Ding! Due to the host's tendencies, the effects are three times as effective on females deeply in love with their partners.][Ding! Due to the host's tendencies, the effects are four times as effective on MILFs.][DING! New Mission: Steal the Tech Hammer CEO's wife and daughter.]

The Immortal Path led to Longevity and Sovereign was heading in ease. When the Longevity was no longer in ease, all living beings were just prisoners. Conspiracy, internal strife, and the invasion of the others, all of it emerged together. 

In such a world, there was such a young man. He made his way upstream, stepping on blood, defying the emperor, destroying the various kings, and slaughtering his way through the hundred clans to form an Immortal Path towards the throne of Sovereign! The Immortal Path was endless, while the Sovereign was limited. He used his blood to forge his immortal legend.

- Description from Novelupdates

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