Ten-Dimensional Cube Cypher ~The Bottom of the Blue Moon~

"Ten-Dimensional Cube Cyper ~Bottom of the Blue Moon~" is a closed-space mystery adventure developed by Abel Software. The protagonist, Takuto, participates in a high-reward experiment to earn a living, but gets caught up in a series of disappearances among participants in an old Western-style mansion.

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The Moonlight Pavilion's psychological experiment

The Moonlight Hall, which retains the atmosphere of the Showa era, was used for corporate experiments aimed at observing psychological changes in enclosed spaces. At first, participants saw following the rules and staying inside the gym as an easy part-time job, until members gradually disappeared and commonalities that shouldn't exist resurfaced. The appearance of random recruitment has thus been questioned.

Head of Tuo and Testing

Takuto claims to be a student who needs to work part-time, loves mystery stories, and aspires to become a detective. He qualifies to participate through competition, and then must redirect his original interest into real crises. The experiment doctor, Shoko Mikami, is usually calm and reliable. After the incident, she works hard to control everyone's panic, but often stays alone in the infirmary, making her actions questionable.

People gathered inside the hall

Participants are not limited to students. Freelance writers allowed to interview blend in with the group with a relaxed attitude, while the caretaker also has a side she prefers not to show to others. Takuto also faces information science students who like to refute his reasoning, girls who find it hard to trust others, and participants who barely express their emotions. How people describe themselves and how they keep their distance from others are recurring clues throughout the investigation.

Warnings and observations

The silver-haired girl Suzuki appears intermittently in the mansion, approaching Takuto and warning him to leave, but does not reveal her purpose. Players need to pay attention to the environment, dialogue, and character reactions, and judge the situation through their actions. Wrong choices may lead to a fatal outcome. The work offers a prompt mode to help readers unfamiliar with mystery games progress.

Production and Series Background

The Sugiyama phenomenon was responsible for character design and key animation, expressing the isolation and tension of the Western-style characters through realistic modeling. The official setting links the setting of this work to 'Mystery Tree' and introduces it as an independent Moonlight Incident; Understanding events mainly depends on the character and environmental information provided by this work.

Kyoko and Quar

Kyoko is not good at expressing herself, and after being shocked, she displays the Quaru personality. This behavioral difference is linked to the investigation at Moonlight Hall.

Recording of the original soundtrack

The official soundtrack notes list the top 15 tracks out of 40. In addition to themes for characters like Kyoko and Hozuki, the music also includes movement, rest, and confession scenes. The album was released by KNS and sold by avex; The composer only credits Mr. Tsutsui on this page.

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Related entries

• Characters:Takuto (10D Cube Cipher ~Bottom of the Blue Moon~)
• Characters:Kyoko (10D Cube Cipher ~The Bottom of the Blue Moon~)
• Characters:Hozuki (10D Cube Cipher ~The Bottom of the Blue Moon~)
• Setting and Setting:Moonlight Pavilion (Ten-Dimensional Cube)
• Game System:Moonlight Pavilion psychological test
• Character Design and Concept Artist:The Sugiyama phenomenon
• Related Records:Cypher of the Tenth Dimension Cube Original Soundtrack
• Record Distribution Responsibilities:KNSエンターテイメント
• Record Sales Manager:avex distribution

References

• Bangumi work entry: Ten-Dimensional Cube Cipher ~Underwater Depths of the Blue Moon~
• Bangumi Copyright Notice
• Abel Software Works Introduction
• Abel Software Profile One
• Abel Software Profile Part Two
• Abel: Ten-Dimensional Original Soundtrack

Source author: Bangumi article contributor and community maintainer; License: CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/); Adaptation: This site filters and reorganizes structured facts, without copying the article summary.

Data compiled on: 2026-10-07.