Also known as: 無色透名祭, 無色透名祭II, 無色透名祭2, 無色透名祭III, 無色透名祭3, 無色透名, 無色透名美術館
Literally "Colorless Nameless Festival"
A Vocaloid/vocal synth event where producers create new songs to be uploaded anonymously and without any music videos or illustrations. After the event ends, producers can freely reupload their songs under their own names and with MVs or illustrations, often doing so under the hashtag #無色透名美術館 (Mushoku Toumei Gallery).
The event has run yearly since 2023.