Wonder Festival will be back on February 6th, 2022. Tickets are on sale now with a discounted price until December 26th.
The tickets will cost 3,000 Yen, with a 500 Yen discount till the end of this year. People under 22 years old get a special 800 yen discount with the code “U22割”. The event will be held at the Makuhari Messe International Exhibition.
Source: Wonder Festival site and their Twitter.