Higanbana no Saku Yoru ni - The First Night

You are a lone wolf hacker who does not belong to any organization and moves invisibly in the online world.
 
Operating only according to your own principles and adhering to your own aesthetics and preferences, you decide to accept cases and propose quotes based solely on your interests and mood. But if you decide to accept, you will definitely accomplish the task perfectly—the client's satisfaction is not a consideration.
 
This time, with your profound technical knowledge and remarkable wit, you will assist the mysterious beauty and spy "Saku" in completing her mission.

A simple game where you can easily have sex with your favourite NPCs
 
This game lets you engage in sexual activities with NPCs simply by talking to them, making it easy to play.

A second moon appears in the sky.

Named the True Moon, its once dreaded blue hue eventually fades into the background of everyday life, and the public loses interest.

Three years later, in the city of Otsuna, Japan…

Ryou Hamura’s dull life is interrupted by an invitation from a red-eyed girl named Izumi Kagura.

“I want you to fight with me.”

On nights bathed in the True Moon’s cerulean light, many strange incidents are occurring in Otsuna.

The source of the madness, the Light Hunters, hides in the shadow of everyday life. To slay them, Ryou and his allies in the Astronomy Club, the Firefolk, begin to fight in the dead of night.

A Night With: Succubus is an adult romance visual novel that transports you to a medieval world filled with desire and supernatural intrigue. You play as a solitary individual living on the outskirts of a quiet village, yearning for excitement and connection. One restless night, you discover an ancient book containing a mysterious summoning ritual. Out of curiosity and boredom, you perform the ritual—never expecting it to succeed.

In a flash of otherworldly energy, Seraphina, a powerful and alluring succubus, appears before you. She's not just a creature of temptation; she seeks to absorb the lewd energy of those she deems worthy. Seraphina isn't easily impressed—she'll tease, flirt, and test your deepest desires, evaluating your every move to decide if you meet her standards.

The school you attend turns into a brothel late at night...?! You accidentally obtain a membership card and enter the school late at night out of curiosity, where you find a junior, senior and teacher waiting for you. Now that you've seen their other sides, who will you choose for this thrilling night?