This Eroge Won't Make Me Fall! - Chapter 122 116.1: Kaiser And Ophelia

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

In the waves of steam and machinery, who could achieve extraordinary? In the fogs of history and darkness, who was whispering? I woke up from the realm of mysteries and opened my eyes to the world.

Crying blood and tears, she pledged a poisonous vow. The gods did not fail her. She was sent back to a decade ago. The legitimate daughter of Jiang family returned from hell.

Forget it, whatever! Since they already claimed that she was a temptress that wrecked the country, she shall overturn the world into complete chaos starting with her beguiling sister, her malicious stepmother, her cruel lover and her heartless family. Let her end the lives that Yama refused to end.

She was a pawn in her past life. In this life, however, the world was her chess board. With an alluring smile and a charming figure that enchanted the entire nation, the red-clothed woman wrecked chaos among the lands. She was a vengeful spirit from hell, determined to make those who wronged her pay in blood.

“I want those who owe me a life debt to hold their hearts out in front of me. I want those who looked down on me to only be able to admire me. I want Lord Zhong Zi to shiver when he sees me. I want to step on this splendid river and mountains!”

— — —

“You are a temptress and I am a thief.” His robe was as dark as the night and his gaze was as cold as the Northern Star. “A perfect match.”

Her red dress was akin to fire, but her heart was the coldest ice in the winter.

He was stoic in his black robe, yet he was willing to warm her frozen heart.

In this life, the elegant man seemed like a snowy bamboo grove with tall, chilly mountains, walking step by step towards her like an unstoppable force.

“Ruan Ruan, if you hate the world, then I shall conquer the lands with you.”

“What if I love the world?” She asked.

“I am the world, so you can only love me,” he answered.

- Description from Novelupdates

He is an undead who is devoid of all humanity, he is the one and only supreme overlord, he is a man who has severe mysophobia.