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." In addition to the 3-CD set the first press limited edition comes with the Blu-ray Disc "SHISHAMO LIVE 2013-2025" which contains 14 songs carefully selected by year mainly from unreleased videos such as rare live footage from the first one-man live held in December 2013 to the one-man live in September 2025. It comes with a slipcase. An application code (valid only in Japan) is enclosed.