COS-MIX! in 石神井 is a Cosplay Event taking place on 2026.01.04 - 2026.01.31 at 石神井公園. Organized by COS-MIX！. COSMA covers venue access, the attendee list, official info, nearby hotels, coin lockers, and cosplay studios — everything you need to prep.
This event has ended.
Ended
Tokyo
Hotels near 石神井公園, sorted by proximity to the venue.
大泉学園駅からバスで8分または徒歩15分程度
都営地下鉄大江戸線「光が丘」下車徒歩約１５分。
※ Prices are approximate. Check Rakuten Travel for current rates and availability.
Buy cosplay costumes, wigs, and props directly from cosplayers
Browse items on COSMA※ Information is auto-fetched from official sources. Please verify the latest details on the official website.
Hand-picked carry-on bags and suitcases popular with cosplayers — from day trips to long expeditions.
LEGEND WALKER × コスプレイヤー5名
コスプレイヤーの「あったらいいな」から生まれたスーツケース
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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