เพลงในอัลบั้ม Eien Pressure (Type C)1Eien PressureAKB4804:572Totte Oki ChristmasAKB4805:143Hatsukoi Butterfly (feat. Hkt48)AKB4803:544Eien Pressure (Off Vocal Version) (Off Vocal version)AKB4804:575Totte Oki Christmas (Off Vocal Version) (Off Vocal version)AKB4805:146Hatsukoi Butterfly (Off Vocal Version) (Off Vocal version)AKB4803:51อัลบั้มอื่นของ AKB48Colorcon Wink (Special Edition)Colorcon WinkIdol Nankaja Nakattara (Special Edition)Idol Nankaja NakattaraDoushitemo Kimiga Sukida (Special Edition)Doushitemo Kimiga SukidaJ Pop
