[Machine Translation] Serph and DE DE MOUSE! A special collaboration EP by the two top pop electronic artists in Japan! In addition to the collaboration single "Rainman" released earlier, a new collaboration track "Ladyland" is now available. In addition, remixes of each other's songs, rare sound sources not included on the album, and rearranged versions of popular songs are also included. The artwork is by illustrator Ai Kono.