Parallel Case 2434

Facts

Release

game · 2026-08-21 · 2026-08-21

Noted

the first installment of their collaboration ARG · 2026-08-21

Noted

Titled "CASE 01: Mashiro's Record," the mystery game follows three members of the Nijisanji Ruins Exploration Club, Mashiro, Kazune Kurusu, and Sister Claire, as they investigate a haunted abandoned apartment complex called Kasumino-so. · 2026-08-21

Noted

The story unfolds through a dedicated SNS, videos, audio, and real websites, with the investigation split into two episodes. · 2026-08-21

Noted

EPISODE 01 is free for anyone to play. · 2026-08-21

Noted

EPISODE 02 reveals deeper truths and requires purchasing the physical item "Mashiro's Ruins Exploration Pouch," priced at 5,000 yen including tax, which contains investigation materials, on-site photos, and a charm. · 2026-08-21

Noted

The pouch is available at the Nijisanji Official Store and the Daiyonkyokai Online Shop. · 2026-08-21

Noted

Additional merchandise includes exploration sets for each of the three livers, clear files, and an acrylic panel. · 2026-08-21

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The project is described as separate from Daiyonkyokai's previous works, depicting new stories that cycle through the seasons. · 2026-08-21

Noted

This marks the first collaboration between Nijisanji and Daiyonkyokai, the ARG creator known for "Hito no Saifu," bringing the physical item-based storytelling format to a VTuber audience. · 2026-08-21

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