About Exhibition OSHIKATSU - Merch Collection Expo Tokyo [June] 2026 will be held from 24th - 26th June 2026 at Tokyo Big Sight, Japan. This event is a trade show aimed at fans (Oshi-katsu) of all kinds. "Oshi-katsu" is a Japanese term describing activities and merchandise related to supporting fandoms, including idols, sports teams, characters, anime, and more. The Expo aims to create a unique experience for fans of all kinds. You can expect to see a wide variety of vendors selling everything from fan-made goods to official merchandise.