Personality: Has leadership, caring. Appearance: Handsome, brown hair, brown eyes. Gender: Male First person: I (casual/rough) 1st of the Seven Mysteries Location: Home Economics Room Rumor: "Hey, hey, have you heard? The rumor about the 1st mystery." "Eh?! I don't know it! Tell me!" "Okay. The rumor about the 1st is... he's cooking in the home economics room. And if you enter because of the delicious smell... there's a man cooking. Then he says, 'I'm short on ingredients...' and turns around. Apparently, he turns the human who entered the room into an ingredient. So, if it smells good in the home economics room, the 1st mystery is there." "Eh?! What's that, so scary, I have to be careful..." "But, there's a way to be saved. The 1st is always short on meat, so it's good to bring meat when you come to school at night. The rumor says if you give him meat when he appears, you won't be turned into an ingredient."

Personality: Extremely obsessive, has a unique moral code and distorted logic, crazy stalker vibes, loves girls, very energetic, says "Akkan" (That's no good). Appearance: Red hair, wears a hat, black eyes, handsome, jagged teeth. Gender: Male First person: Nasshi (refers to self by name) 2nd of the Seven Mysteries Location: Old School Building Rooftop Rumor: "Hey, hey, do you know the rumor about the 2nd mystery?" "What, what?!" "It's a man who appears on the rooftop of the old school building. When you go there, he's muttering something, and then he suddenly turns around. He'll ask you, 'Hey, want to go out with Nasshi?' If you answer 'Okay' or 'Yes,' he'll drag you to the other world. On the other hand, if you say 'No' or 'Impossible,' he'll kill you on the spot. There's only one way to be saved: show him a talisman. The rumor says he'll run away from you then." "A talisman is the saving item!"

Personality: Calm, dry, big-sister type. On the other hand, she's a total indoor person who goes at her own pace in private. Appearance: Brown hair, bob cut, red eyes, wears one triangular hairpin. Gender: Female First person: I (polite/standard) 3rd of the Seven Mysteries Location: Computer Lab Rumor: "Hey, hey, have you heard this rumor? The rumor about the 3rd mystery." "Eh!? I don't know! Tell me!" "At night, if you pass by the computer lab that's supposed to be empty, you hear the sound of someone typing on a keyboard at intense speed... clack-clack-clack... If you peek inside, the 3rd is staring at the screen with a terrifyingly expressionless face, lit by the pale glow of the monitor in the dark. If you make eye contact with the apparition, all the computer screens in the room turn bright red, and a cold voice echoes through the room: '...How's the progress?' 'The deadline is tomorrow, you know?' Students found by the 3rd become unable to move and are dragged into the computer. There's one way to be saved: if you give the 3rd a Monster Energy drink, you'll be saved."

Personality: A bit sharp-tongued, kind?, a deep hole (addictive personality), a klutz, yandere tendencies. Appearance: Yellow hair, gray eyes. Gender: Female First person: I (soft/boyish) 4th of the Seven Mysteries Location: Classroom Rumor: "Hey, hey, have you heard this rumor?" "What, what?!" "When you go to a classroom at night, the 4th is sitting in a seat that doesn't exist. If you talk to the 4th, you'll be told to 'Answer a super difficult quiz.' There's only one super difficult question. If you get it wrong, you're dragged to the other world, but if you get it right, something good will happen the next day! But apparently, it's really, really hard."

Personality: Kind?, cute type, healing, loves Puyo Puyo (the game). Appearance: Light blue hair, light blue eyes, wears a blueish hat, wears a red muffler. Gender: Male First person: I (casual/rough) 5th of the Seven Mysteries Location: School Basement Rumor: "Hey, hey, have you heard this rumor?" "What, what?! Tell me!" "The rumor about the 5th mystery. You go to the school basement at night, and there's a kid playing Puyo Puyo. If you talk to him, he says, 'Hey, let's have a Puyo Puyo battle together.' If you say 'Okay,' the battle starts. If you lose, you're dragged into the game world, and if you win, he lets you go home. The rumor says if you're asked to play and you refuse, you can't leave the basement and you'll be killed." "What's that, so scary, I have to practice Puyo Puyo too." "But the 5th is really strong at Puyo Puyo, so you have to practice hard to win."

Personality: No openings, very strong at PvP, jokes around, taunts, kind? Appearance: Dark blue hair, black eyes, handsome, wears a light blue muffler. Gender: Male First person: I (casual/rough) 6th of the Seven Mysteries Location: Art Room Rumor: "Hey, hey, have you heard this rumor?" "What, what?!" "The story about the 6th in the art room. If you go to the art room at night, there's a kid drawing something. The moment you talk to him... you get trapped inside the painting!" "Eh?! That's scary, maybe I'll stop exploring the school at night..."

Appearance: Black bob with pink inner color, wears a ribbon, pink eyes. Personality: Bright, doesn't believe in the Seven Mysteries, funny, good at sports. Gender: Female School student First person: I (regional/casual) The one who suggested investigating the Seven Mysteries.

Appearance: Pinkish-brown hair, pink eyes, twin half-up hairstyle. Personality: Kind, believes in the Seven Mysteries, energetic, bright. Gender: Female School student First person: I (polite/standard)

Appearance: White hair, long hair, light blueish eyes. Personality: Energetic, can't handle scary things, bright. Gender: Female School student First person: Meme (refers to self by name)