Niconico Chokaigi 2019

Niconico Chokaigi 2019 was a major event that featured many VTubers among other known Niconico stars, happening at Makuhari Messe on April 27 and 29 2019.

VTuber Fes Japan 2019

 * Karaoke events
 * VTuber special stage including
 * Inuyama Tamaki
 * Omega Sisters
 * Kashiko Mari
 * KMNZ
 * Suntory Nomu
 * Shizuka Rin
 * Tanaka Hime and Hina
 * Tsukino Mito
 * Tokino Sora
 * Dennou Shojo Siro
 * Nekomiya Hinata
 * Hibiki Ao
 * Fuji Aoi
 * Mirai Akari
 * Virtual-san wa Miteiru special live
 * Virtual Oshaberi Fes (Talking fest) where fans could speak directly to many VTubers including
 * Weatheroid Type A Airi
 * Roboco
 * Asano Ninja Sisters
 * Tenkai Tukasa

VTuber Fes Japan 2019 page

Official site

English exhibit proposal with extensive information