The first album of "uutubo" who has been posting music videos since May 2018. He writes, composes, arranges, sings, and mixes himself. The jacket is designed by Osamu Taniguchi, who works on the music video for. Mastering engineer is Masaoki Moroishi. It's beautiful but moldy, serious but clumsy, yawning but I can't sleep, it's expired but I'm attached to it, it's cool but cute music.