The site for the adaptation of Tomo Takeuchi's Welcome to the Ballroom has published the distribution plans for the summer anime. Along with Japanese TV broadcasts starting with MBS on July 8th, then Tokyo MX, BS 11, and Gumma TV July 9th, it lists that Japanese and overseas streaming will be on Amazon Prime, exclusively starting 24:00 July 7th.
Cast for the anime includes
Fujita Tatara - Shinba Tsuchiya (Haikyu!! Karasuno VS Shiratorizawa's Tsutomu Goshik)
Shizuku Hanaoka - Ayane Sakura (Your Lie in April's Tsubaki Sawabe)
Kentarou Tomita (Dream Festival!'s Junya Sasaki) - Gaju Akagi
Sumire Morohoshi (Gabriel Dropout's Haniel) - Mako Akagi
Yoshimi Itazu (Miss Hokusai, Paprika, The Wind Rises) will be directing the Production I.G work.
Takahiro Kishida (Durarara!!!, Haikyu!, Madoka Magica, Arjuna) is on character design with playwright Kenichi Suemitsu on composition and Yuki Hayashi (Kiznaiver, My Hero Academia, Gundam Build Fighters) on music.