One day, a man realizes he has reincarnated as a villainous duke (37) from a certain game.... more>>

In the original game, his fate was to act like a villain and eventually get condemned by his own daughter, the main heroine.

To avoid this, he uses his knowledge of the game to escape his doom. But for some reason, his daughter keeps showing signs of becoming the ‘Ice Lady’ at every turn…

In a world where the game’s storyline is already falling apart, can he survive as a duke? And can he save the world in place of the protagonist, who seems set on the ruin route?

Thus begins the villainous duke’s fight for survival and his daily efforts to raise favorability!

Of this novel:

This story is told from the first-person perspective. The protagonist is a man who reincarnated as a character in a game. He is incredibly powerful. There are no other reincarnators. Although there are many harem elements, he probably won’t take action. There may be some slightly immoral themes. <<less

Keiichiro Kusunoki had lived a normal life, walking the path of education, career, marriage, and parenthood like any other person. But fate took a turn when, at the age of fifty, he passed away, leaving behind his family, only to reincarnate in another world with an overpowered physique.... more>>

Fumbling in a game-like parallel world, Keiichiro strives to navigate life using his past experiences. However, his abilities gradually become known to the world, thrusting him onto the stage whether he liked it or not.

In a world besieged by “calamity,” Keiichiro discovers the meaning behind his transmigration. Meanwhile, he finds himself troubled by the influx of women inexplicably drawn to him, causing him daily discomfort. <<less

Aiba Hashiru is a hero who was summoned to another world. After defeating the Demon King, he returned to his original world due to some troubles, and returns to his former life as a new teacher with his abilities as a Hero warrior.... more>>

However, among his students, there are those who fight against monsters, aliens, and a mysterious criminal organization.

This is a story about the life of a former hero, who doesn’t particularly hide or hold back his heroic abilities <<less