Ame no Hi no Iris - Chapter 3 - Execution - battery=02:01:40

Emperor Ian Veroshion, the first noble mage, was betrayed and executed. Cursed to never be reborn, he awakens a century later as the illegitimate son of a disgraced ducal line, destined to be a hostage in a barbaric land. Stripped of his magic and his throne, he must navigate a world vastly different from the one he ruled, facing political machinations and a resurgent monster threat. But the embers of his past life still burn, and Ian will not surrender his legacy. He will reclaim his name, his magic, and perhaps, even his empire.

[Slice of life]

What would you do if you could copy abilities during an apocalypse?

Of course, you can only copy women's abilities by having sex with them and absorbing their coitus essence!

Jake Mystro, a determined and strong-willed teenager without an ability, was frowned upon and disdained for being powerless, as his body even rejected artificial abilities. Yet, that didn't bother Jake or make him sad, rather, he supported himself with the help of beast gears to avoid being bullied.

However, on a particular day, Jake got tricked into awakening his Vampiric powers, but the process left him in a life and death condition. Luckily, he acquired the 'Cuckold System.

[Ding!]

[You have acquired the Cuckold System]

[The Goddess of lust has acknowledged your strong will and determination]

[You have become a dedicated follower]

[By stealing other people's women you shall become stronger]

“I shall not become the follower of anyone! I will also conquer the goddess of lust! Mark my words!”

[Fufufu.....you have balls of steel, you know?]

Let's follow the journey of Jake Mystro as he embarks on the journey of doing perverted tasks and becoming men's worst nightmare.

Nagasawa crossed to Naruto Universe and was bound to Konohagakure.

If Konoha is severely damaged and destroyed, Nagasawa’s lifespan will be reduced.

He panicked at the thought of the upcoming Nine-Tailed Demon Fox’s attack , and the thought of Konoha getting destroyed left him in despair.

Fortunately, while bound to Konoha, he can obtain templates of powerful characters.

At the beginning, He got the Whitebeard template! Since it’s the Whitebeard from the Summit War of Marineford, he can use Tremor-Tremor Fruit’s ability and Haki.

Facing the Tailed Beast Ball, which terrorized Konoha Shinobi, Nagasawa leaped and shattered the Tailed Beast Ball with one punch!

- Description from Novelupdates