CD1 contains the following first-time studio recordings, which have all been performed on team stages: "First Rabbit", "Miniskirt no Yōsei", "Lemon no Toshigoro", "Ren'ai Sōsenkyo", "Romance Kakurenbo" and B-sides which only appeared on theater editions of their singles which are "Jung ya Freud no Baai" (from "Give Me Five!"), "Hashire! Penguin" (from "Ue kara Mariko"), "Yasai Uranai" (from "Flying Get"), Anti (from "Everyday, Katyusha"), "Ōgon Center" (from "Sakura no Ki ni Narō") and "Tsubomitachi" (from "Kaze wa Fuiteiru").
