空想百科账户

RIDDLE JOKER

A member of a secret organization that infiltrated Kikka Academy as a student, and Nanami's sworn brother.

Additional information
IdentityStudent/member of secret organizations
Adoptive fatherArihara Takashi Suke
Adopted younger sisterLocated in the original Seven Seas

Foster family and secret operations

Akatsuki was adopted by Ryunosuke as a child and became siblings with Nanami, who had no blood relation. He operates as a student at the academy, supported by Nanami on secret missions.

The voice from the 2019 Hot Spring arc

Akira Arihara voiced in the newly recorded radio drama "A Pretty Difficult Day with Ayase Sanshi (Hot Spring Edition)." The drama centers on Ayase, with other female leads also appearing.

Survey of the research building on the original game Mayu Line

After Ryunosuke requested to investigate the research building, Akatsuki approached Moyu and, while massaging her shoulders, connected the USB terminal to the computer. Nanami's remote access to camera information and floor plans within its scope of authority provides clues for the next step in the infiltration.

Exposure and negotiation in the original game's Moyu route

Moyu's delayed activation trap trapped Akatsuki, causing him to remove his optical camouflage. She did not immediately expose the truth but offered to trade memory fibers for secrecy.

Ability training for the original game: Moyu route

After the rampage suppression plan was approved, Akatsuki trained to lower the link value and recorded the corresponding ability status in memory fibers, working with Moyou to make patches.

Housework help recounted in the original game: Nanami Line

When Nanami first failed at cooking, although Akatsuki said it tasted bad, she still finished the meal. Whenever she later had trouble learning housework, he would help her out.

Original game: Ayase's drug attack

During Ayase's route, homeroom teacher Kaori approaches Akatsuki from behind and injects him with drugs.

Shopping response from the original game Chisaki Line

Akatsuki asks Chisaki to help her pick out clothes and affirms that she doesn't distinguish people based on ability. After this shopping trip, the two began dating.

Mayu Line: The mission to stay at school after the secret is revealed

After hearing about Kotori, Akatsuki explained his identity to Moyu and asked Ryunosuke for help. After successfully suppressing the rampage, he stayed on as a special team staff member, responsible for security and development cooperation, but his unilateral actions led to a pay cut.

Hazuki Line: Secret exposure during patrol

During a patrol, Yuzuki saw through Akatsuki's optical camouflage and repeater. Later, Akatsuki fought Kido in a fierce battle, but Hazuki arrived and subdued him with a water bullet.

Hazuki Route (Main Story)

Xiao watched Yuyue demonstrate water control techniques such as throwing and catching water and whack-a-mole at the pool. Yuyue lost control while practicing walking on water and was bounced upward, but he saved her in time.

Akatsuki intervenes in the conflict between Hazuki and Wataru near the school gate, subduing Wataru, who uses body enhancement abilities. Afterwards, he promised Yuzuki to help her when she needed it.

Passenger reception practice in front of the Moyu Line

When Moyu was chosen as her training partner, Akatsuki practiced serving customers with her and received her coffee brewing guidance.

Moyu Route: Report after infiltration

In the Mayu route, after investigating the research building, Akatsuki reports to Ryunosuke and apologizes for his unilateral actions. Nanami took his phone, explained the situation on his behalf, and said he was also involved; Ryunosuke stated that he would continue to investigate Kotori's situation.

Hazuki Line: Daily communication

In the Yuzuki route, Akatsuki decides to borrow a period drama DVD recommended by Yuzuki; After she received the new work, the two watched it together in her room again.

In the Yuzuki route, Akatsuki sparred with Yuzuki and then accepted an invitation to study together. Late into the night in his room, Yuzuki took out a cup of noodles for a late-night snack and fell asleep.

Hazuki Line Flashback: Aid in front of the convenience store

In the childhood memories of the Hazuki route, Hazuki distracted the harasser to help a convenience store clerk, then became entangled herself. Young Xiao arrives at this moment.

Hazuki Line: Ryunosuke's permission to date

When the Hazuki route confessed and awaited a reply, Ryunosuke agreed to let Akatsuki date Hazuki and reminded him to keep his organizational identity confidential and not to quit his job lightly.

Related entries

References

Data compiled on: 2026-10-07.

本版编辑：免费机器翻译 · 2026-10-12

内容许可：CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/

本译文依据的源修订