MTL - Holistic Fantasy - ~ 2041 Go to hell? Have the breath of a dragon?

[Some chapters contain R-18 content.] [No rape] [No NTR]“I will become strong with this self-tailored game system! What?! Why does it give quests based on my wife's wishes?!”Kyoya got summoned to another world by a beauty whose aim was sole to get a weak husband! So weak that he wouldn't be able to get a harem and seek other women! Such motives quickly exposed beauty's real personality - a yandere - so Kyoya could only have two paths in his new life! Either to get enough strength to run away from the yandere wife or be strong enough to teach her common sense! A few days were enough to break one of his paths, however! But not only that, his special power, All Creation System, seemed to favor a yandere wife instead of him?!*I, Sixth, have published this story solely for webnovel.comI am not responsible for other illegal copies on other sites*#Support authors on webnovel.com by reading their stories here or on the webnovel's app!- Comments and replies of the author are his and only his opinion. - Story is a fiction solely for the entertainment purposes, nothing related to the reality. -

Everyone says he is an iceberg, but only Maya Spencer knows he is a volcano, and moreover, a volcano that is passionately unlimited for her, an indulgently pampering volcano.

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

The leader of the thousand demons, the Demon God Chun YeoWoon. Due to an unfortunate accident, he had been sent to the distant future.