It is the final album before the end of activities of SHISHAMO which holds a 2-day stadium one-man live on June 13 and 14 2026 at "Uvance Todoroki Stadium by Fujitsu (Todoroki Athletics Stadium)" in Kawasaki City Kanagawa Prefecture and announces that they end their activities with this live. This work titled after the phrase "SHISHAMO deshita!!!" that Gt. Vo. Asako Miyazaki always says at the end of their lives is like a bright greeting on stage and contains various feelings such as thanks and wishes for continued support. It is a voluminous 3-CD set with 48 songs in total, with each of the 3 members selecting 16 songs as the "Miyazaki edition," the "Matsuoka edition," and the "Yoshikawa edition." The booklet includes each member's selection comments for each song. It comes with a slipcase. An application code (valid only in Japan) is enclosed.