Stray Children Treasure Box Edition Launches December 10 With Art Book, Lost RPG Music CD
Onion Games has announced a premium physical edition of its RPG "Stray Children" for Nintendo Switch, set for release on December 10, 2026, at 10,978 yen. The "Stray Children TREASURE BOX" is a limited first-print run produced only for pre-orders, with no additional manufacturing planned after the order period ends. The box includes the game cartridge with all updates applied, the "Stray Book" development archive spanning approximately 160 pages of sketches and setting art by character designer Kazuyuki Kurashima, background artist Satoshi Katsuta, and director Yoshiro Kimura. Also included is an experience music CD for the in-game fictional RPG "Mikazuki," described in the game as a title canceled in 1997, featuring chiptune music by the group Thelonious Monkeys. A cloth antique map titled "The Night Before the World's Collapse" and an acrylic keychain featuring the protagonist and his companion complete the set. Pre-orders opened on July 24. A talk show to commemorate the announcement is scheduled for July 25 at 20:30 JST on Kimura's X account, featuring Kimura, Kurashima, and Thelonious Monkeys members Masanori Adachi and Hiroshi Taniguchi, hosted by Yamaguchi Quest.