Steel, Explosives, and Spellcasters - Chapter 995 - 52: Unbreakable Alliance

I was reincarnated into another world, and I’ve brought the Horadric Cube from Diablo II with me.
Being a knight is cool and all, but being a wizard is pretty neat as well.
So, which one will it be?

- Description from Novelupdates

Content Warning:This novel contains mature themes, including explicit sexual content, strong language, and adult situations. It is intended for readers 18+ only. Reader discretion is advised.______________________________________________________________________Haruki thought marriage would bring him happiness. He had been in love with Satomi since high school, and after years of struggling together, they finally built a stable life. But stability came with a price.Satomi was always busy. Work became her priority, and Haruki… was left behind. The warmth of their relationship faded, and intimacy became a distant memory. Nights felt colder, the bed emptier—even when she was right beside him.Loneliness gnawed at him.Then everything changed when Satomi’s family invited him to stay at their luxurious home.That was the first time he truly saw her mother.Kyouko.Beautiful. Elegant. Younger-looking than her own daughter. And for the first time in years, Haruki felt something awaken inside him—something dangerous, something forbidden.Living under the same roof, two lonely souls cross paths. And as Haruki struggles with his emotions, one question lingers in his mind:What happens when the one who understands you most… is the one you should never desire?

He is the heir of Di Hao Group; decisive, cold-blooded yet dotes on his wife a little too much.