The popular VTubers Sameko Saba & 海月雲ろあ are holding a pop-up store event called '海神祭' at Shibuya MODI from March 6th to March 29th, 2026. The store features new merchandise with illustrations by Toosaki Shiina. Purchase bonuses include voice postcards for every 4,000 yen spent and an original shopper bag for purchases over 8,000 yen.