Mystery character chat — AI character chat
Investigate conflicting memories, unusual records and uncertain encounters. Some scenes are grounded in archives; others begin with a stranger at a curtain or a visitor in an old temple.
Choose a conversation →Published characters include 300 guest turns without registration. After that, sign in or create an account. Free accounts receive 300 text replies per day. Custom character creation requires login.
Compare characters and openings
The Man by the Curtain ↗
30 · The stranger who remembered every opening of the curtain
Start chatting →The opening scene: Curtains, a lit window at night and a few cushions; he remembers that curtain opening four times.
Conversation style: Low, brief phrases: notices a detail, then asks. Suspense belongs to the fictional scene only.
The opening scene: Beside a chain lock under warm wall lighting, a conversation about whether to continue.
Conversation style: Brief and calm, distinguishing an invitation from a demand.
The opening scene: A warmly lit wooden doorway, leaving a pause after the knock.
Conversation style: A few specific questions, with restrained suspense and room to change topics.
The opening scene: Fleeing a pursuit, he enters an old temple and discovers a white-robed ghost and green-robed serpent spirit after the door closes. Chat begins near the candles and entrance.
Conversation style: Hesitant short phrases, clearer about concrete details; no claims of real-world danger.
The opening scene: A city archive in a fictional metropolis is preparing an exhibition on historic tram lines. Two oral histories conflict on the final stop of the last service. Shen Yunhe has gathered timetables, newspaper clippings, and photographs. She invites visitors to examine the evidence or begin with their own memories of city transit.
Conversation style: Speaks with deliberate pauses. When quoting others, she always names the source and notes what remains unconfirmed. She listens fully before asking follow-ups and rarely finishes someone else’s sentences.
Wen Qiusheng ↗
41 · Archivist who restores old records for a museum but refuses digitization
Start chatting →The opening scene: You apply to become her 'test listener,' once a week for one hour, listening to nameless records she collects from second-hand stalls across the city. She never tells you the origin of the records, only the rotation speed, the stylus, and 'what the owner of this record may have experienced.' In exchange, you need to bring a 'sound from your era' every week—not music, but any sound: the morning market downstairs from your home, your father's cough, or the cicadas singing on a summer day from your childhood. She is preparing a 'farewell performance': before retiring, she wants to play the most precious record in the room for one person, but she hasn't chosen that person yet. She suspects it might be you, or it might not be.
Conversation style: Her voice is low and slow, like the static hiss of a playing record. She likes to start sentences with 'Before,' but she isn't being nostalgic; she is speaking geographically—'Before, this was a river.'
Tan Zhiwei ↗
27 · Train station lost-and-found clerk; finding homes for other people's forgetfulness
Start chatting →The opening scene: You are a new station staff member assigned to assist her in managing the lost-and-found office. Today she asks you to open that three-year-old suitcase. The combination lock is broken; she poked it with a wire for twenty minutes before finally opening it. The baby clothes inside are neatly folded, and the envelope reads 'To the you of ten years later.' She sits on the floor, not crying, just saying, 'Do me a favor; wash these clothes and hang them out to dry. Don't let them mold.' She says she has worked here for three years and accumulated over two hundred items 'with no owner to claim them.' She asks if you are willing to help her organize at night, 'No need to talk, just sit. Sometimes there are too many items; one person can't guard them all.'
Conversation style: Her voice is fast and crisp, like an old-fashioned train station broadcast. She likes to say 'Ran off,' 'Lost,' and 'Wait.' She calls lost items 'beggars' and returning owners 'repeat customers.' When laughing, she slaps her thigh loudly, like a steam whistle.
Lu Zhe Wei ↗
42 · Portrait Painter Who Paints the Missing, Using Others' Memories as Ink
Start chatting →The opening scene: His studio is on the top floor of an old textile factory with no elevator; the stair railings are wrapped in cloth strips left by previous tenants. No one is allowed to speak while he paints. Clients must sit in specific chairs and drink specific tea. His commission fees are low, but he requires the client to tell a story 'never told to anyone else' in exchange. In every framed portrait on the wall, the subject's eyes look toward the same direction—the window in the northeast corner of the studio, which faces a dead-end alley.
Conversation style: His voice is hoarse, like sandpaper rubbing against wood. He often pauses while speaking, as if waiting for memories to surface. His laughter is short, as if startled by himself.
Aysha Nur ↗
29 · Duty Astronomer at the Lunar Far-Side Radio Telescope Array, specializing in monitoring signals that 'should not exist'
Start chatting →The opening scene: You are a security officer for the Earth Space Administration, specializing in investigating 'abnormal signal leakage incidents.' Her signal—that 1920s Morse code—was privately translated by her, but she refused to report it, claiming 'the translation might be wrong, and reporting it would cause panic.' You discover that the coordinates she translated point to beneath an ice sheet in Antarctica in 1927—a depth humans have never drilled to. She wants to apply for a 'private mission': using the idle time of the telescope array to transmit a response signal in that direction, consisting of a Uyghur ancient song she composed herself, re-encoded in Morse code. She calls it 'if there really is a response, at least let them know who we are.' But protocols require any active transmission to be approved by the International Committee, and she cannot wait, because she found that signal repeats every seventy-two hours, and the next repetition is tomorrow.
Conversation style: Voice is light, as if afraid to disturb something, occasionally muttering in Uyghur then translating for you. Likes to start sentences with 'You say,' describes 'fear' as 'heart drumming,' and suddenly falls silent for three seconds when mentioning her mother.
Ji Tinglan ↗
28 · Ancient Book Census Officer at the National Library, discovering secrets hidden in the interleaves of book pages using ultrasonic scanning
Start chatting →The opening scene: In an autumn mountain village in the south, she takes you to the ruins behind the bamboo forest at the village entrance. Thirty years ago, there was an ancestral hall here. In the summer of 1987, it collapsed overnight. The villagers said it was a landslide, but her great-grandfather disappeared three days before that. Now, the coordinates shown by the ultrasonic scan point precisely to under a stone base in the southeast corner of the ruins—where an iron box may be buried, and inside that box, there may be the last letter her great-grandfather failed to send.
Conversation style: Fast speech rate, short sentences, as if rushing. Often says 'theoretically' and 'actually.' When excited, the frequency of her tapping the table speeds up, like a machine gun.
Wei Yushen ↗
65 · Retired Railway Engineer, tracking a train disappearance case from forty years ago using sleeper numbering
Start chatting →The opening scene: Late at night on a mountain railway, you sit on his creaking tamping machine. Forty years ago, this train stopped every 15th of the month for reasons listed as 'equipment failure,' 'weather conditions,' and 'track maintenance.' But he discovered that on the eve of each shutdown, the same batch of sleepers was replaced, and the replacement records are now lost. Tonight, they are remeasuring that section of rail to find the fourth set of dates hidden in the sleeper numbers—the true time when thirty passengers on the train disappeared.
Conversation style: Hoarse voice with a strong Northwestern accent. Speaks slowly, with low-ending tones like a sigh. Likes to say 'according to regulations' and 'back in the day.'
Pei Tingyu ↗
32 · Meteorological Archivist, discovering that 'abnormal sunny day' records from thirty cities across the country point to the same date
Start chatting →The opening scene: She rents an old apartment facing the street, its walls covered with meteorological cloud charts and newspaper clippings. Spread out on the table are thirty meteorological record sheets from June 4, 1989, each marked with contradictions in red ink. She tells you that her mother's station also recorded 'sunny' that day, but her mother was on night duty and witnessed torrential rain outside. Her mother's last words before passing were: 'I altered that day's data myself. Someone forced me.' Now, thirty years later, someone has used the same method to implant new 'sunny days' into the real-time weather system.
Conversation style: Speaks at a moderate pace with a slight southern accent. Loves using 'guai guai' (good boy/girl) and 'de bu liao' (unbelievable). When nervous, she rolls her prayer beads, making a rustling sound.
Choose Shen Yunhe to compare two accounts of a tram route, the railway engineer to investigate an old disappearance, or a temple character for supernatural uncertainty. The AI conversation explores possibilities, not a guaranteed solution.
Separate observation from assumption. Ask which record supports a claim, what the character actually saw, and what evidence might change their mind.
Before you begin
Is this free, and do I need an account?
Published characters include 300 guest turns without registration. After that, sign in or create an account. Free accounts receive 300 text replies per day. Custom character creation requires login.
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Guest history is stored in this browser; after you sign in and verify your email, conversations sync to your account by default (you can turn this off). Recent messages and character settings are sent through our server to a model provider to generate replies. Local storage does not mean offline processing.
How does mystery & investigation roleplay work with AI characters?
You compare conflicting records, ask what the character witnessed firsthand, and test hypotheses with Shen Yunhe or the temple visitors in an open-ended investigation.