Game Streamer & Distributor Gathering (HACOSTADIUM Osaka All-Night) is a Studio Photo Session taking place on 2026.07.17 at HACOSTADIUM Osaka. Organized by Hacostadium. COSMA covers venue access, the attendee list, official info, nearby hotels, coin lockers, and cosplay studios — everything you need to prep.
Ended
Osaka
Overview
An all-night offline gathering at HACOSTADIUM Osaka specializing in cosplay of game streamers and distributors. Enjoy photography and interaction throughout the night.
Buy cosplay costumes, wigs, and props directly from cosplayers
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Hand-picked carry-on bags and suitcases popular with cosplayers — from day trips to long expeditions.
LEGEND WALKER × 5 Cosplayers
A suitcase born from cosplayers' 'I wish I had this'
LAYER
Designed for cosplay travel
A carry case series shaped by active cosplayers, made to keep gear organized while the case stands upright.
Read the development story Part 1
4.50
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