STPR Co., Ltd. (Headquarters: Shibuya, Tokyo; Representative: Kenshi Akita; hereinafter "STPR") is pleased to announce the first installment of "Shibuya Jack," a campaign commemorating the 10th anniversary of the 2.5D idol group "SutoPuri" (Strawberry Prince), under the collaborative event titled 'SutoPuri 10th Anniversary in Shibuya with TOKYU GROUP.' The event will be held from Friday, August 7, 2026, to Sunday, August 30, 2026. "SutoPuri," celebrating its 10th anniversary on June 4, 2026, is launching various commemorative projects to express gratitude to fans who have supported them over the years. In conjunction with the Tokyo performances (August 18–20) of 'Stroberry Memory Vol. 10th Anniversary ~SutoPuri ARENA TOUR~,' which concludes this summer, it has been decided to hold the largest-ever 'Shibuya Jack' event, transforming the entire Shibuya district into a stage for SutoPuri. As the first phase, the 'SutoPuri 10th Anniversary in Shibuya with TOKYU GROUP' collaboration with the Tokyu Group will feature numerous special programs across commercial facilities and transportation networks around Shibuya Station, including photo spots, digital rallies, dining campaigns at designated stores, sales of collaboration menus and goods, operation of Jack Trains and wrapping buses, and limited-time pop-up stores. Through diverse initiatives designed to be seen, heard, eaten, and explored, we aim to deliver SutoPuri's unique "fun" to everyone visiting Shibuya. This summer, we invite you to enjoy exploring Shibuya transformed into a vibrant world of SutoPuri and create lasting memories. ■ Event Overview: 'SutoPuri 10th Anniversary in Shibuya with TOKYU GROUP' Event Period: Friday, August 7, 2026 – Sunday, August 30, 2026 Featured Programs: 1 SutoPuri photo panels appearing at various Tokyu Group facilities! 2 Original postcards gifted at participating Tokyu Group dining establishments! 3 SutoPuri collaboration menu launched at Shibuya Hikarie Cafe & Restaurant! 4 SutoPuri