Nijisanji and Daiyon Kyokai Release Sophia Valentine ARG Case
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."
1 source 4h ago
Reporting from 1 source: KAI-YOU.
Why it matters
The second case turns the ARG's paid tier into a physical object, a USB stick that doubles as the Episode 02 key and a prop tied to the story's fictional company.
Key Facts
- "CASE 02: The Record of Sophia Valentine" was released on November 6 as part of the ARG "PARALLEL CASE: 2434."
- The story follows Sophia Valentine infiltrating White Electronics, with Shakuson and Suzuna Nanase as companions.
- Episode 01 is free to play, while Episode 02 requires a USB memory stick sold for 5,000 yen.
- The USB comes with a serial code card and contains materials related to White Electronics.
- Goods ship after early December 2026 from the Nijisanji and Daiyon Kyokai official stores.
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.
The paid portion of "CASE 02: The Record of Sophia Valentine" is a USB memory stick sold as goods for 5,000 yen, bundled with a serial code card. The stick holds materials related to White Electronics, the company the story has Sophia Valentine infiltrating.
The scenario splits into a free "EPISODE 01" and the paid "EPISODE 02." Players who solve a mystery hidden in a video support Sophia remotely, while avoiding detection by Shakuson and Suzuna Nanase. A "Search Set" at 4,400 yen and clear files at 700 yen round out the goods, sold through the Nijisanji and Daiyon Kyokai official stores.
Written with AI by Yomimono from the 1 cited source below, including Japanese-language reporting where cited. See our editorial policy.
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