Zero no Tsukaima - Volume 2 Chapter 1

After causing a tech disaster in the real world, genius shut-in Rin Katsuro is sentenced by the gods and banished to Ereborn—a realm ruled by chaos, where ancient scripts control magic and dungeons feed on trauma.He wakes up in the body of a legendary war criminal—the Demon King's General—and is mistaken for the adoptive father of a demon princess.Armed with unstable “Error Magic” that lets him rewrite reality like code, Rin doesn’t want to be a hero... but when angels declare war on the demon races, and his daughter calls him “Papa,” he might just rewrite fate itself.This is the story of a broken man with nothing left to live for—until an entire world starts calling him Dad, Demon, and Destiny.

His legendary class is The Husband Of Deathwill Sisters!

While other players went through common quests to get their classes, Alex started by getting a legendary class: Husband Of Deathwill Sisters! He got three beautiful wives from the start and the legendary castle!
What would his girlfriend and friends say about this once he reveals his class to them?
And what about Deathwill Sisters? What is their plight, and why would they suddenly get a husband?

(Women disguised as men) Strong women and men with black bellies.

‘He’ is a rare ‘male god’ who is handsome, wealthy and has no gossip. And he is an ordinary man who hits a wall when he gets along with a man and a woman.

A contract bound the two tightly together. Facing the indifferent ‘him’, he was always cautious, fearing that ‘he’ would fall in love with his prosperous appearance.

Isn’t the legendary ‘he’ aloof and unfeminine? It doesn’t matter, take the initiative to bring him. When the rare ‘male god’ identity is revealed, he not only has to face female love rivals, but also a large wave of male love rivals ahead. ‘What should I do if my daughter-in-law is too handsome? ’ ‘Being coquettish, being cute, and rolling around’

“Mother~Mother…” A certain neglected baby was hanging on his lap with an aggrieved expression on his face. As soon as the words came out, a chestnut fell on the baby’s head, “How many times have I said that I am your father and that is your mother?”

- Description from novelbuddy

After Stargaze Family executed his family, Noel Ardagan embarked on his journey, restoring his family name with the help of a System.

"What? How the heck did she get it before me? The system told me that I'm the only one who knows about it!" Noel Ardagan cursed in anger, "That conniving murdering woman!"

"At this point in time, only I should be aware about this tomb. But how did he find out about it?" Anna Stargaze, even after her reincarnation, couldn’t comprehend Noel's actions.

The clash between of a person holding a system and a reincarnator who knows everything in the future is about to start.