A summer-themed work that quickly made it popular.
The 4th album released in 1979. Contains 11 songs including the representative song "Monroe Walk".
The lyrics ("Nagisa nite" and "Monroe Walk" by Etsuko Kisugi) and the production were done by Takashi Matsumoto. The musicians who participated in this work include members of YMO and Tin Pan Alley. Ryuichi Sakamoto is in charge of the arrangement of three songs, including the single.
