Cosis is a shortened word for cosplayis, and with innovative new attempts and constant challenges to find answers accordingly Let's show a new side. That's what it means. 

From international cosplay events where famous cosplayers from all over the world gather Participating in cosplay competitions and contests that show the skills and talents of course players as planning and operating committee members, etc 

It has the best cosplay offline event planning and hosting ability in Korea. Join Cosis for the best cosplay offline events. 

-General Manager of the 2019 wcg xian Cosplay World Competition 

-Advisor to the 2017 Bucheon Cartoon Festival Cosplay World Competition 

-Member of the 2018-2021 Bucheon Cartoon Festival Cosplay World Competition Steering Committee 

-Specialist member of the 2022 Bucheon Cartoon Festival Cosplay World Competition 

-Operation of the 2021-23 Play Expo Cosplay Competition 

In charge of operating and planning many cosplay offline events