Night High 5

Student detective Chijinda You works hard to solve a series of disappearances at Yabaize Academy, but behind the incidents lies the terrifying ambitions of the Advanced Science Research Club. After being caught in a trap set by the club’s vice-president and shrunk, Chijinda is attacked by rats in the sewers, nearly crushed by a female student who mistakes him for an insect, and eaten by Erika, a club member who tries to destroy the evidence. With the help of Ookiku Narue, who has followed Chijinda to the school, Chijinda enters the Advanced Science Research Club’s underground laboratory to return to his original size.

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?

Play as the guy next door who accidentally catches May—all grown-up, all worked-up—moaning your name in the dark. What follows is a slow-burn scramble of teasing hangouts, daring dares, and raw bedroom confessions that either ignite secret love… or crash in awkward silence.

A story about an uncle who can't restrain his lust due to temptation.
In this game, you will take on the role of this uncle who can't control his passionate desires and indulges in "nighttime adventures". However, be cautious. The game offers interactive gameplay where each of your actions will have different consequences and character reactions.

This story has two different endings that can only be reached by fulfilling a specific condition.