Princess X - My Fiancee is a Monster Girl?!

Toono Yuu, a Kazami Academy sophomore, eschews typical teen life for work――

"Youth? No time. I've got jobs."

Yuu's all about practicality, choosing part-time jobs over typical teenage fun. He manages his studies well and spends most of his time working for money. His childhood friend Hibiki and classmate Riri, who looks up to Yu, think he needs a change. They each try to get him to join a club.

Hibiki champions the "Action Club," nicknamed "Acti-Club"―― lively girls promoting "more youthful fun at school!"
Riri advocates the "Volunteer Club," nicknamed "Negati-Club"―― serious girls dedicated to "using youth to better the world."

Both relentlessly recruit Yuu――

"Not interested. Don't need youth."

Yet Yuu finds himself drawn into their world, despite his protests――
His predictable routine gives way to unexpected experiences.
How did this happen?

"Isn't it obvious?" his peers suggest.
"Brace yourself, senpai. Time to embrace your youth!"

What adventures await this reluctant teen!?

Sayako Ishihara" (44 years old), a mother who loves her only son very much. Sayako will do anything for her son.

The relationship between her and her son used to be very close, but since her son could not enter the university according to her husband's wishes, their relationship became strained.
Her husband often got angry, her husband's authoritarian nature made her son prefer to lock himself in his room.

Her husband's attitude had been like that for 2 years, it greatly affected the previously harmonious relationship in the family.

Now the family has become very foreign to Sayako and her son.
Sayako's son is named Sota. Sota, who used to have a very close relationship with his mother, now prefers to lock himself in his room because of pressure from his father.
He decided to become a game streamer.

As time went by, the relationship in the family became more complicated.
Sayako's husband who started having an affair with a young woman really hurt Sayako's feelings. The man was not at all interested in Sayako's old woman's body.
Sayako really suffered, because Sayako was actually a woman who had a high sex drive.
However, because of that, Sota, who didn't care about his mother, started to care about his mother again.

Sota, who was initially unlucky in the streaming world, suddenly got a lot of viewers when his mother was accidentally caught on camera.

Sayako decided to help Sota do Live streaming, for some reason, at the encouragement of the viewers, they might cross the boundaries of a normal relationship between mother and son. They might have an immoral relationship. Will they?

Oh no! Mayu’s in a pinch! She’s woefully behind on paying the rent, and her scary landlady, Miss Himemiya, has issued an ultimatum. Mayu needs to earn ¥100,000 by the end of October, or she’ll be kicked out!

Being evicted from her home would be bad enough, but Mayu has a secret: she’s actually a vampire. Mayu hasn’t been a vampire for a full year yet, and the church is keeping close tabs on her to ensure she’s been behaving herself. According to the stone-faced Sister Juriel, it’s the church’s standard policy to execute all vampires without a fixed address, lest they start roaming the streets causing chaos.

If Mayu can’t pay the rent in time, she won’t just wind up homeless: she’ll be executed! What’s a fledgeling vampire to do?

Assume control of Mayu and manage these tumultuous two weeks of her life. Help her raise money to avoid a grisly end, all while managing her stress levels and forming relationships with girls over the internet. You never know: come Halloween, Mayu might be able to land a date, and she might even get to nibble on a cute girl’s neck!

Do your best, and don’t let this upcoming Halloween be Mayu’s last! She’s counting on you!

Oh no! Mayu’s in a pinch! She’s woefully behind on paying the rent, and her scary landlady, Miss Himemiya, has issued an ultimatum. Mayu needs to earn ¥100,000 by the end of October, or she’ll be kicked out!

Being evicted from her home would be bad enough, but Mayu has a secret: she’s actually a vampire. Mayu hasn’t been a vampire for a full year yet, and the church is keeping close tabs on her to ensure she’s been behaving herself. According to the stone-faced Sister Juriel, it’s the church’s standard policy to execute all vampires without a fixed address, lest they start roaming the streets causing chaos.

If Mayu can’t pay the rent in time, she won’t just wind up homeless: she’ll be executed! What’s a fledgeling vampire to do?

Assume control of Mayu and manage these tumultuous two weeks of her life. Help her raise money to avoid a grisly end, all while managing her stress levels and forming relationships with girls over the internet. You never know: come Halloween, Mayu might be able to land a date, and she might even get to nibble on a cute girl’s neck!

Do your best, and don’t let this upcoming Halloween be Mayu’s last! She’s counting on you!