Cuckold my brother's wife

I live together with my older brother and his beautiful wife, Miyuki. Living every day alongside such an alluring sister-in-law constantly leaves me aroused. One day, by chance, I discovered Miyuki’s secret. To make her mine, I used that secret to blackmail her.
The relationship that began with blackmail turned her into a slave to my desires, and while wearing the mask of “family,” we continued to pile up sins day after day, hidden from my brother’s knowledge…

In 2034, a mutation occurred in the human genome, and humanity suddenly awakened "psychic powers."
Because everyone is born with these powers, many wars and crimes occurred.
In response, countries quickly took action, organizing various investigative teams to prevent these incidents.
Finally, in 2044, humanity achieved an era of complete peace, with no wars between countries and people living in harmony.
However, problems arose within the country.
Various evil forces emerged one after another, and four major villainous groups emerged, causing trouble in people's lives.

Yukino has a boyfriend named Makoto with whom she promised to marry. However, Makoto is a man of good family and they refuse the marriage with Yukino.
Then, Makoto's uncle, Masao, comes up with a deal. He would arrange the things to make the marriage possible if Yukino agrees to spend a night with him.
Yukino hesitantly accepts the condition. However, it's a beginning of a devastating life...
*The wife stolen by a dirty old man.
*Adultery behind the scene of happy wedded life!
*The story is enjoyable from the husband's viewpoint who doesn't notice the cuckoldry.
*Insistent and sticky uncle doesn't mind impregnating her!

Kanon, an android girl, time-travels alone to a past Earth in order to save a ruined future.
 
However, having lost her energy, she ends up earning money through lewd acts… ♡

Will she be able to keep her promise to her master and return to the future!?

For those who want to see a transforming heroine violated and fall into corruption!
It’s the story of a heroine devoted to her boyfriend, who dreams of a slow life with him, yet ends up experiencing many things.
With 70 original CGs, there are of course various H-events with different concepts depending on the NTR man, plus many sub-events and stories involving sub-heroines.
It also features a unique game system that combines dungeon exploration with card battles!