ミステリート～八十神かおるの挑戦！～
Yui Ogura
Yuizai Ogura "Mystery T ~ Kaoru Yasogami's Challenge!" ~' is credited as the voice actor for the 2025 remake character.
Mystereet (2025 Remake)
The remastered version, released on July 31, 2025, includes five main episodes and 63 short mystery stories, with re-recorded voice lines and some main actors replaced. The official website lists Switch, PS4, Xbox Series X|S, and Steam, with Steam showing a separate date yet to be determined.
Detective Charge（ミステリート）
Investigation results such as evidence, testimony, and motives accumulate into detective points. After 80 points, it is allowed to identify the culprit in advance and continue searching for clues; When 100 points are reached, you must answer; the timing and accuracy of answering will affect the evaluation.
Episode 4: Detectives Gathering (Mystereet)
Yasogami accepts an invitation to the remote Red Mansion to meet famous detectives from various places. The owner foretells a murder and is immediately shot down, so everyone investigates in an isolated environment.
Episode 2: Human Arson Murder Case (Mystereet)
A murder case in a church where a body suddenly catches fire, and the Eighty Gods contact a girl suffering from anterior amnesia and search for connections to the case from the information she has preserved.
Aya Hirano
Ayazai Hirano "Mystery T ~ Kaoru Yasogami's Challenge!" ~' is credited as the voice actor for the 2025 remake character.
Megumi Ogata
Megumi Ogata "Mystery T ~ Kaoru Yasakami's Challenge!" ~' is credited as the voice actor for the 2025 remake character.
Hiroyuki Kanno
Hiroyuki Kanno in 'Mystery T ~ Kaoru Yasogami's Challenge!' ~' is credited as the original creator and game creator.
Sanshi Qinai
Kotonozai Mitsuishi "Mystery T ~ Kaoru Yasogami's Challenge!" ~' is credited as the voice actor for the 2025 remake character.
Kaoru Yasogami (Mystery To)
An eighteen-year-old Japanese-British detective who graduated from Oxford University and holds the youngest IDLA A-level qualification. Skilled in cross-dressing and reasoning, sharp-tongued, but not very sensitive to women's thoughts. Travels to Japan to investigate clues about the disappearance of the criminal Souma and his assistant.
Mainokoji Mizukage (Mistereet)
An A-level detective serving as a consultant to the Japanese police agency, he appears young but possesses a sharp mind and calm judgment. She falls into crisis alongside Yasogami in a hypnosis case at the underground research facility.
Serina Nanao (Mystery Tree)
A detective with IDLA D-rank qualifications, and also Yasugami's assistant. He is modest in character and respects the Eighty Gods; After training at the Happiness Detective Agency in Japan, she mysteriously disappeared.
Yuki Aso (Mystereet)
A freelance journalist returning from Europe, holding an IDLA F-level qualification. By using direct speech, questioning skills, and keen observation, he can quickly identify the identity of the Eighty Gods.
Mystery T ~ Kaoru Yasogami's Challenge! ～
《Mystery T ~ Kaoru Yasogami's Challenge! ~》revolves around young detective Kaoru Yasogami, combining on-site investigation, character dialogue, and case deduction. The game was ported to PS2, PSP, and Windows, and later remastered versions; Different versions of the additional short stories and voice acting vary.
Episode 0: Luxury Cruise Ship Murder Case (Mysterit)
Yasogami and his assistant Nanao accept IDLA's invitation to go to sea, but a murder occurs during the voyage, and the steering and communications are damaged. The Eighty Gods weave through clues from others' reports.
Episode 3: Hypnosis Murder Case (Mystereet)
Seven people are locked in an underground research facility, subjected to hypnotic conditions that cause death upon specific stimuli to death. Yasogami and Mai no Koji Mizukage are also involved, and they must uncover the trigger conditions and the mastermind's motives.
Episode 1: Locked-Room Murder Case at the Government Mansion (Misterit)
Yasogami infiltrates the office to investigate the disappearance of the office director and assistant, then receives a threatening letter from the lady of the mansion asking him to investigate, and the case escalates into a murder case.
believe me（ミステリート）
The PS2 version of 'Misterito' added a theme song, performed by Megumi Ogata, with lyrics and music written by em:ou. The composition revolves around Yasogami searching for Serika, using a mid-tempo arrangement with a jazzy vibe, and is included in the album 'Yoake no Jikan.' 》。
Happiness Detective Office (Misterit)
Japanese name: Shiawase Detective Agency, founded by Akugyo Soma. The director's disappearance and the disappearance of the trainee Seven Tails Celery, prompting an investigation by Yasojin; Miyuki Nanjo once worked here, later established a separate agency, and Takazai became one of its detective members.
IDLA (Detective Gentleman Series)
An international detective qualification organization with branches worldwide, headquartered in the UK. Qualifications are graded from A to F, with A representing the highest level; Kaoru Yasogami, the villainous Fusuma and Mai no Koji Mizukage both hold this qualification.
ゆきのさつき
Satsuki Yukino at 'Mystery T ~ Kaoru Yasakami's Challenge!' ~' is credited as the voice actor for the 2025 remake character.
Jun Ozaki
Junzai Ozaki: "Mystery T ~ Kaoru Yasakami's Challenge!" ~' is credited as the voice actor for the 2025 remake character.
Shinji Kawada
Shinji Kawada in 'Mystery T ~ Kaoru Yasogami's Challenge!' ~' is credited as the voice actor for the 2025 remake character.
Kyoko Iijima
Kyoko Iijima in 'Mystery T ~ Kaoru Yasogami's Challenge!' ~' is credited as the voice actor for the 2025 remake character.
Abel
Abel Ari: 'Mystery T ~ Kaoru Yasakami's Challenge!' ~》, credited as the PS2 and Windows versions of production.
East-West (Mysterit)
A C-level detective at Happiness Detective Agency, confident in his looks and intelligence, eager to stand out. They may not be enthusiastic about ordinary commissions, but when an incident turns into a major case, they will proactively step in.
マルタ・アルゲリーチ（ミステリート）
Treasure hunters who travel the world also accept commissions to find treasures. She is French, yet speaks the Kansai dialect, and participates in Mystereet as a character appearing across series works.
Hyoga Mai (Mysterit)
An assassin calm and uncompromising during missions, skilled in weapons and combat, using metal wire hidden in the ring. After the Eighty Gods obstructed one of her actions, she began to relentlessly pursue him.
Miscellaneous Twin Hemp (Mystereet)
Former director of Happiness Detective Agency, also an A-level detective. Although he was unlucky, his case-handling skills were extremely high, often solving major cases when troubles arose; Disappeared at the start of this work.
Director Connor (Mysterit)
IDLA advisor, commissioned Yasogami to go to Japan to find the villain twin Ma. For Yasojin, he is one of the few supporters within the organization who can be relied upon.
フィーナ（ミステリート）
A mysterious girl who commands underground organizations with powerful influence, her influence faintly appears behind many events.
Miyuki Nanjo (Mystery Tree)
A detective with a C-level qualification, originally a member of the Happiness Detective Agency. After the disappearance of the villainous Souma, he left the agency and founded the Nanjo Detective Agency. She still enjoys evil deeds and acknowledges the abilities of the young Yasogami when investigating.