MTL - After Rebirth, I Became the Scum Gong’s Uncle’s Destined Omega - Chapter 75

Reincarnated into a Dating-Sim sounds fun? But what if you have never heard about that “World of Myst” game? And that is exactly what happened to Sam Roland. Poor Sam with only basic-dating experience, had no idea he was supposed to “capture” the women he is hiding from.

their example, leading to continuous warfare! However, the aboriginal people of this otherworld who have been blinded by the aesthetics of violence! Rightnow! And in the future! Let me teach you what kind of mecha represents the romance of a man! Let me show you what kind of propulsion is the iron torrent! Let me instruct you what kind of weapon is the deterrence for peace (implied by “nuclear” here)! Let me! Teach you! What exactly is the air-to-ground cluster offensive and the all-round air, sea, and land strike!! Gentlemen! I, indeed, love war! But what I love even more is to stop war with war and bring about a prosperous future where the whole world is unified for thousands of generations! Unite all nations and subdue all races! When the whole world is united as one, it will last forever...

She was forced by her husband and his mistress to jump into the sea and commit suicide, only to be rescued and taken care of by the jerk's uncle for seven years.