The official "Castle Dora" off-site meeting "Business Trip! Recruitment of participants for the first Sapporo off-party has started.

The official "Castle Dora" off-site meeting "Business Trip! Recruitment of participants for the first Sapporo off-party has started.
Asobism will hold a series of "Business Trips!Castle Dora Love Club ~Castle and Dragon Official Off-Party~" from June 8th, which will tour 6 locations nationwide....

The linked article is in Japanese.