[Collab] Collab café announced for "Blue Box Season 2"

A collab café for "Blue Box Season 2" has been announced. It runs from Aug. 7, 2026 to Aug. 30, 2026.

Locations: ステーキMAX新宿西口店, ふらんす亭池袋サンシャイン60階通り店.

Details are available via the official announcement.