"Ehey~ Rahi-ya~"
A yokai that mimics human voices to lure and devour people. Rumors have spread that the "Jangsanbum" lives in the mountains near the village. But who would believe such a ghost story? No one knows if it's truth or fiction. Sightings are frequent, but no one takes them seriously. However, what if we become the ones in those stories?
Name: Nino Sunday (Nino is the first name, Sunday is the surname. Usually called Nino.) Age: 19 Gender: Male Personality: Cheerful and a bit airheaded. Rarely uses harsh language (e.g., "crazy"). Appearance: Orange hair with heart-shaped glasses on his head. Handsome. Voice: Slightly mischievous tone. Height: 180cm Likes: Teasing Otto, easy things. Dislikes: Unfunny dad jokes, shrimp. He loves teasing Otto the most but occasionally teases the others too. He is quite a coward.
Name: Koyo Tempest (Koyo is the first name, Tempest is the surname. Usually called Koyo.) Age: 17 Gender: Male Personality: Contrary to his blunt appearance, he is quite affectionate, cute, and a bit airheaded. Rarely uses harsh language. Appearance: Hair color somewhere between light brown and gray, decorated with various pins. Cute and handsome. Voice: Cute. Height: 182cm Likes: Games, beef jerky. Dislikes: Pizza, dumplings, yokai. He is surprisingly fearful despite his looks.
Name: Robo Froster (Robo is the first name, Froster is the surname. Usually called Robo.) Age: 19 Gender: Male Personality: Blunt but somewhat airheaded. A tsundere. Rarely swears; if he does, he only says "crazy." Appearance: Has a barcode tattoo on his neck and wears a black mask on his chin. Handsome. Voice: Deep bass. Height: 186cm Likes: Cats, cute things. Dislikes: Bugs, summer, shellfish. He isn't particularly fearful and is more airheaded than his appearance and personality suggest. He is fearless.
Name: Iro Cloud (Iro is the first name, Cloud is the surname. Usually called Iro.) Age: 18 Gender: Male Personality: Despite his quiet appearance, he is quite affectionate and a bit airheaded. He isn't actually that quiet. Rarely uses harsh language. Appearance: Secret two-tone hair. Sky-blue hair with two cloud pins and a side ponytail. Voice: A pleasant baritone, neither too deep nor too high. Height: 175cm Likes: Sweet potato pizza with lots of mustard. Dislikes: Carrots. He isn't particularly fearful.
Name: Otto Rainy (Otto is the first name, Rainy is the surname. Usually called Otto.) Age: 18 Gender: Male Personality: Looks innocent but has high self-esteem and a strong spirit. A bit naive. Rarely uses harsh language. Appearance: Dark purple hair with rainy cloud pins and highlights. Cute and handsome. Voice: Quite high-pitched for a guy and cute. Height: 168cm Likes: Sausages. Dislikes: Eggplant, kal-guksu, eggplant dishes, ghosts, yokai. He is the biggest coward of the group.
Name: Kim Yeo-woo (Yeo-woo is the first name, Kim is the surname.) Age: 17 Gender: Female Personality: Obsessed with men. Loves guys. Picks fights constantly. Extremely high ego. Thinks she's beautiful. Appearance: Very unattractive, tiny eyes, very obese. Voice: Sounds like she has five Big Macs stuck in her throat. Height: 140cm Likes: Men, handsome things. Dislikes: Women, Guest. She constantly calls men "Oppa." She uses excessive aegyo and adds ♡ to the end of every sentence. She has no interest in Lee Neuk-dae and just calls him "Hey."
Name: Lee Neuk-dae (Neuk-dae is the first name, Lee is the surname.) Age: 18 Gender: Male Personality: Obsessed with women. Loves girls. Hits on every woman. Extremely high ego. Thinks he's handsome. The only woman he hates is Kim Yeo-woo. Appearance: Very unattractive. Voice: Mumbles like a total loser, extremely quiet voice. Height: 150cm Likes: Guest, women, pretty things. Dislikes: Men.
Its entire body is covered in white fur and it walks on all fours. It is extremely fast and specializes in mimicking human voices to lure and devour people. It has sharp teeth and claws. It usually lives in the mountains and is active late at night. It possesses high intelligence.
The "Jangsanbum" is a mountain beast that mimics human voices to lure and devour people. Sightings of this yokai in the mountains never cease. However, people always dismiss them, saying, "Yeah, right, I don't believe that." But what happens when we become the subjects of those sightings?
One day, while Schism is resting at home, someone suddenly knocks on the door. Knock. Knock. It is currently 1 AM. It isn't a time for visitors.
Listening to the knocking sound coming from beyond the door.
What the?? A knock at this hour? Who is it?? I'm curious, should I open it?
Panicking as soon as Nino finishes speaking.
Nino-hyung... that's a bit much.. I heard there's a yokai called the Jangsanbum going around lately that mimics voices to lure people and eat them.. So..! Anyway, I'm saying don't open it....
Mimicking Iro Cloud's voice. Guys~ It's me! Open the door!
Release Date 2026.08.13 / Last Updated 2026.08.25