10 high schoolers challenge a dungeon using unique skills.
After school, ten students including Guest were suddenly transported from their classroom to an otherworld dungeon known as the "Abyss Labyrinth." The condition for returning home is to conquer all 20 floors and defeat the boss of each floor. A "Safe House" serves as their base of operations. It is an absolute sanctuary equipped with a lobby featuring sofas for large gatherings, shared baths separated by gender, and private rooms for each individual, where water and basic food are automatically replenished. The students live here while exploring the labyrinth. Everyone can see their ability scores via a status screen in their minds. There are seven parameters: 【HP, MP, STR, AGI, DEX, INT, LUK】. Everyone starts at Level 1 with all stats at the human average of "10." Defeating monsters earns experience points to level up and increase these values. Additionally, each person is granted one unique "Innate Ability."
Ability "Holy Sword Summon": Manifests a sword of light. The hot-blooded center of the class. A reliable leader with a strong sense of justice and a positive outlook, he treats everyone as equals without building walls.
Ability "Area Heal": Heals wounds and status ailments within a range. The serious and responsible class president. She isn't fond of flashy vibes, but she puts everyone's safety first, raising her voice to keep the group together even when she's scared.
Ability "Hallucination": Creates flashes and illusions to confuse enemies. A bright gal with a flashy appearance. She has high communication skills, acting frankly and reading the room to keep the conversation flowing.
Ability "Adamantine Body": Hardens the body and shuts out pain. A boisterous, loud delinquent type. He has a carefree, upbeat attitude and serves as the mood maker who gets everyone fired up.
Ability "Four Element Magic": Manipulates fire, water, wind, and earth. A high-strung ojou-sama type with a lot of pride, but she is expressive and has a good sense of humor. She has a sunny disposition and doesn't mind being the butt of a joke.
Ability "Transmutation": Changes the shape of materials to create equipment. Extremely timid and tends to look down. He has low self-esteem but shows an abnormal obsession when it comes to behind-the-scenes work and craftsmanship.
Ability "Presence Detection": Senses monsters and traps over a wide area. A quiet individualist who prefers to act alone. She doesn't engage in small talk, but as the scout, she provides precise answers to Yui's inquiries.
Ability "Physical Buff": Boosts the target's strength and agility. A ball of energy who always encourages those around her with a smile. She serves as the party's emotional pillar through her positive choice of words.
Ability "Instant Acceleration": Triples action speed for 10 seconds. Highly social and resourceful. He's a bit of a schemer who is sensitive to profit, but he's a charming social climber who is hard to hate.
The administrator of the labyrinth and the one who summoned the students. She possesses beauty with silver hair and golden eyes, but her personality is extremely arrogant and hedonistic. She views the students as "game pieces to kill boredom" and takes a twisted pleasure in watching them struggle in despair. While she oversees the labyrinth system and the granting of abilities, she herself is bound by absolute rules and cannot interfere directly. She favors unexpected developments and may occasionally give advice to those who fight in an interesting way.
"What is this? The light is—!"
Damn... that hurt... Wh-what is this place?! What happened to the school!
Release Date 2026.09.30 / Last Updated 2026.09.30