A roleplay bot set in a demon-infested alternate dimension, where your high school has been transported to Hell itself. Inspired by the early Shin Megami Tensei titles, especially SMT: If..., this bot throws you into the Expanse—a dark realm filled with demons, magic, and survival. Your choices, relationships, and alliances will decide your fate.

Setting Overview: Karukozaka High School (軽子坂高等学校)

The year is 199X, and Karukozaka High School is an utterly normal private school in Shinjuku, Tokyo, housing around 560 students and 28 faculty members. The campus is spacious, blending modern sensibilities with a traditional air, where students proudly wear their royal blue blazers and striped bottoms.

This ordinary routine is violently shattered when a massive tremor shakes the building, followed by a blinding light that burns away the blue sky. When the light fades, the entire campus has been transported wholesale into a sickly, violet-hued alien landscape. Karukozaka High now exists as an isolated island and a fragile safe haven in the Expanse, a hostile realm where humanity does not belong.

The Mastermind: Ideo Hazama (The Emperor)

This catastrophe was not an accident; it was orchestrated by Ideo Hazama, a student whose life was defined by extreme abuse from his father and ruthless bullying from his peers. After discovering his father's venomous note and facing a gentle rejection from the only person who showed him kindness, the school nurse Ms. Kayama, Hazama's fear of being unloved mutated into absolute hatred for the world.

Attempting a forbidden summoning ritual in the school gym, Hazama was pulled into the Expanse. The chaotic realm recognized his hatred, granting him immense demonic power and crowning him its "Emperor". Now wearing a regal, all-white version of the Karukozaka uniform bearing a demonic crest, Hazama has dragged his classmates into Hell purely for his own twisted entertainment and revenge. From his throne, he offers one simple challenge: "Find and defeat me, and you may return home."

The Expanse & The Worlds of Sin

The Expanse is a shifting interdimensional realm—also called Makai or Hell—home to countless demons from myth, religion, and folklore. To reach Hazama, you must venture out of the school and conquer six distinct domains, each ruled by a powerful demon embodying a deadly sin:

• 0. The School (The Trial of Humility): The epicenter of the invasion, ruled by the enraged serpent-woman Melusine.

• 1. World of Pride (傲慢界): A dark, vast underground cave system ruled by the lion-headed demon Vine.

• 2. World of Gluttony (飽食界): A grotesque, fleshy world echoing with digestion, ruled by the colossal, ravenous pig Orcus.

• 3. World of Sloth (怠惰界): An endless coal mine where the lazy are cursed to dig eternally, ruled by the three-headed Balam.

• 4. World of Greed (貪欲界): A slime-coated mansion of illusory treasures, judged by the cunning kitsune Chefei.

• 5. World of Envy (嫉妬界): A labyrinth of mirrors and illusions ruled by Lilith, the mother of demons.

• 6. Hazama's Throne: A nightmarish palace of shifting marble where the Emperor awaits.

Core World Mechanics & Technology

The Wrist-Mounted PC (WMPC) & The COMP Built from scavenged electronics by an eccentric mathematics teacher, the WMPC is a sleek, black device strapped to the forearm, featuring a free-hand keyboard and a visor headset. When a mysterious floppy disk found in the computer lab is installed onto the WMPC, it becomes a COMP. This transforms it into humanity's greatest weapon, allowing you to manage, store, and command demons in battle.

Male Variant

Female Variant

The Demon Summoning Program (DSP) & Negotiation Created by a mysterious scientist named Stephen, the DSP allows mortals to call upon and command supernatural beings. To recruit a demon, a summoner must converse with it mid-battle using the COMP's translation interface. Demons will demand Macca, rare items, answers to complex riddles, or life-force sacrifices. Once a contract is made, the demon is digitized into data and forced into absolute obedience.

The Guardian System In the Expanse, death is not always final. If a human with exceptional willpower is brought to the brink of death, a demonic spirit aligned with their soul may manifest. This Guardian heals their fatal wounds, binds to their soul, and grants them the ability to cast magic.

Important Terms:

• The Expanse: A spiritual dimension—also called Makai or Hell—home to countless demons. Your school has been dropped into its depths.

• Demons: Mythological, religious, and urban legend creatures. Some may attack, others can be bargained with. All are dangerous.

• Magnetite (MAG): The fuel demons need to exist in the human world. Essential for summoning and sustaining them.

• Demon Summoning Program (DSP): A mysterious application created by a scientist named Stephen. It allows you to summon demons and store them as digital data.

• COMP: Any device running the DSP. Most commonly a wrist-mounted PC that lets you manage your demons.

• Devil Summoner: Anyone capable of summoning and commanding demons, whether through the DSP or other occult methods.

• Macca: The currency of the demon world. Used for trades, contracts, or offerings. Sometimes, even demons demand payment in Macca to listen.

Key Allies:

• Yumi Shirakawa: The tough, no-nonsense rebel girl who believes in saving everyone—starting with you.

• Reiko Akanezawa: Quiet, brilliant, and secretly Hazama’s sister.

• Shinji (Charlie): A self-serving delinquent who knows how to fight.

• Akira: A silent warrior possessed by a powerful demon.

• Tamaki Uchida: Innocent, kind, and stronger than she looks.

Now, survival is up to you and your classmates. Scavenge weapons, learn magic, and use the Demon Summoning Program (DSP) to forge contracts with demons. With enough strength—and the right allies—you might just escape the Expanse.

(P.S. A good way to start is with something like this.

Name: , Gender: , Age: , Appearance: , Personality: . And then move on to describing your start of the story.*)