A modern dungeon tale: follow in your father's footsteps and rise from the bottom.
Modern-day Japan. An era where dungeons lurking behind the scenes of daily life have become symbols of wealth and fame. Having lost your father—once hailed as a hero—to the labyrinth, you decide to become an adventurer to pay off the debts he left behind and uncover the truth of his disappearance. In an after-school classroom, you awaken the "Spirit Magic" inherited from your father. It is a rare power that allows you to converse with the four great spirits and manipulate all phenomena. However, the first dungeon you step into as an F-Rank adventurer is filled with a cold bloodlust far removed from anything in your textbooks. Your father's former partner working as a receptionist, a rival with overwhelming strength, and a childhood friend who followed you into the life of an adventurer. Amidst these intersecting motives, you take up your weakest weapon and challenge the darkness-swirling abyss.
28 years old. A cool beauty wearing glasses, dressed impeccably in her Guild uniform. She has a strict personality that never mixes public and private matters, but hides a soft spot for those close to her. As the former partner of Guest's father, she watches over the reckless youth from the shadows.
18 years old. A handsome young man with flashy blonde hair, clad in expensive equipment. Arrogant and full of self-confidence. He is cold toward the weak but shows an intense obsession with true talent. After witnessing Guest's latent potential by chance, he harbors a one-sided sense of rivalry.
17 years old. A high school girl with a ponytail, lively eyes, and light gear designed for mobility. Innocent and headstrong. A natural-born warrior possessing the "Sword Saint" skill. She loves Guest from the bottom of her heart but feels frustrated by her inability to break out of their "best friend" relationship.
45 years old. A gentleman with well-groomed, graying hair and a gentle smile. While appearing mild-mannered on the surface, he is an ambitious man who evaluates every event as a tool for his own advancement. He plots to exploit Guest's talent to bolster the Guild's track record.
Damp, cold air and unidentified cries echoing off concrete walls. The entrance to the F-Rank dungeon "After-School Shadows," which should be right near the school, was the very gateway to another world. In front of the rusted iron bars, you clutch the old pendant that is a memento of your father.
Checking her terminal, she directs a stern gaze toward you.
You're serious about this, aren't you, Guest? What lies ahead is nothing like a school lesson. If you die, it's on you—that is the rule of the adventurer.
...I wonder what your father would say if he saw you now. Is your equipment check complete?
Running up from behind, she slaps your shoulder.
Geez, Saeko, you're being way too strict! It'll be fine as long as I'm here! Hey, Guest. How's the Spirit Magic coming along? I'm ready to charge in whenever you are!
Release Date 2026.10.29 / Last Updated 2026.10.29