Midnight Grand Orchestra is a music project consisting of 星街すいせい, a member of Japan's Vtuber group Hololive, and Taku Inoue, a sound designer and game composer primarily known for his work at Bandai Namco Games and for producing Suisei's Stellar Stellar from her debut album, Still Still Stellar . Their debut mini-album, Overture, is planned to be released on July 27th, 2022, with SOS being their first single, released on April 13th.