Popular YouTuber Kasu's "Hapiba! Party vol.4" to offer bubble member exclusive ticket pre-sale via Tixplus.

Dear U plus Inc. (Headquarters: Shibuya, Tokyo, Representative Director: Ryo Yamauchi), operator of "bubble for JAPAN," and Ticketplus Inc. (Headquarters: Shibuya, Tokyo, Representative Director: Gen Sato), operator of electronic ticketing and secondary ticket sales, announced the bubble member exclusive ticket pre-sale for popular YouTuber Kasu's fan event "Hapiba! Party vol.4," scheduled for May 16, 2026 (Saturday). The event will take place at BitStar Co., Ltd. (Shibuya Higashiguchi Building 10F, 2-22-3 Shibuya, Shibuya-ku, Tokyo 150-0002). Tickets are priced at ¥4,000 (tax included) and include one cheki ticket. The pre-sale application period is from April 13, 2026, 18:00, to April 19, 2026, 23:59. Tixplus's electronic ticket and official ticket trade services will be used for this event. Kasu, born May 20, 1997, from Saitama Prefecture, is affiliated with OOO Entertainment, has over 1.4 million YouTube subscribers, and is a regular model for 'LARME' magazine. "bubble for JAPAN" is a fan communication app offering real-time messaging and 14-language auto-translation. Tixplus provides app-based electronic tickets and a secure official secondary market.