TonaCos is a cosplay convention held regularly in Tokyo by the Cosplay Expo Executive Committee (Yuusha-ya) about once or twice a month. There is a lot of space to shoot photos indoors and photo shooting is the main focal point of the event. But the convention is at the same time and near the venue where Comiket is held so it gathers many more cosplayers than usual. It's called TonaCos (Tonari de Cosplay Haku : Cosplay Exibition Next to). This year, due to Corona spread, it went online as Air-Comiket. Now attendees can enjoy the convention from the comfort of their own home.