Daiyon Kyokai is a creator collective that builds ARGs and games tied to existing properties. Its most recent release is CASE 02: The Record of Sophia Valentine, the autumn installment of PARALLEL CASE: 2434 with Nijisanji, released November 6.
Daiyon Kyokai works on games and ARGs attached to properties owned by other companies. The three stories here cover a collaboration with Square Enix, a free game set inside a manga magazine, and a paid ARG case with Nijisanji. Each project is built around a partner's existing world rather than a standalone Daiyon Kyokai title.
The earliest of the three is the Paranormasight FILE444 announcement with Square Enix, a collaboration ARG tied to the mystery adventure series. Gen Kobayashi handles character design, as on earlier entries. The reveal covered only the title and key visual, which shows the series guide, an unfamiliar woman, a demon-like presence, and what appear to be camera or smartphone screens. Release timing was left to later announcements on the official Paranormasight and Daiyon Kyokai X accounts.
In October, Daiyonkyokai released 'Their Beginning,' a free everyday erosion game set in the editorial department of the shoujo manga magazine LaLa during its 50th anniversary. Players follow Serizawa, a rookie manga artist, and Shinojima, a LaLa editor, tracing why the two fell out and why Serizawa left the public stage, using Serizawa's chat screen. The cast announced for the manga 'Makuake' includes Saori Hayami and Nobuhiko Okamoto.
The most recent release is CASE 02: The Record of Sophia Valentine, which came out November 6 as the autumn installment of the ARG PARALLEL CASE: 2434 with Nijisanji. The story follows Sophia Valentine as a spy infiltrating White Electronics, with Suzuna Nanase and Shakuson as companions. Episode 01 is free. Episode 02 requires a 5,000 yen USB memory stick sold as goods, with shipping after early December 2026.
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Nijisanji and creator collective Daiyon Kyokai released "CASE 02: The Record of Sophia Valentine" on November 6, the autumn installment of the ARG "PARALLEL CASE: 2434." The story follows Sophia Valentine as a spy infiltrating White Electronics, with Suzuna Nanase and Shakuson as companions. Episode 01 is free; Episode 02 requires a 5,000 yen USB memory stick sold as goods, with shipping after early December 2026.
Daiyonkyokai has released 'Their Beginning,' a free everyday erosion game set in the editorial department of the shoujo manga magazine LaLa, which marks its 50th anniversary. Players follow Serizawa, a rookie manga artist, and Shinojima, a LaLa editor, tracing why the two fell out and why Serizawa left the public stage, using Serizawa's chat screen. Cast announced for the manga 'Makuake' includes Saori Hayami and Nobuhiko Okamoto.
Daiyonkyokai has announced "Paranormasight FILE444: Awai no Shinrei Camera," a collaboration ARG tied to Square Enix's mystery adventure game series. Gen Kobayashi handles character design, as on earlier entries. The reveal covers only the title and key visual, which shows the series guide, an unfamiliar woman, a demon-like presence, and what appear to be camera or smartphone screens. Release timing will be announced later on the official Paranormasight and Daiyonkyokai X accounts.