Must Buy

 is the first album by Batten Shoujo-tai. It was released on June 21, 2017, and peaked at #15 on the Oricon album chart.

CD

 * 1) Osshoi! (おっしょい！)
 * 2) Batten Shoujo. (ばってん少女. ) (Must Buy ver.)
 * 3) Bibibibishoujo (びびび美少女)
 * 4) Yume no Squall (夢のスコール)
 * 5) STORM!
 * 6) Must Buy! (ますとばい！)
 * 7) To-to. (とーと. )
 * 8) Kotoba Tennis (コトバテニス)
 * 9) Nobishiro Koushinkyoku (のびしろ行進曲)
 * 10) Otome no Tefuda (乙女ノ手札)
 * 11) Yoka Yoka Dance (よかよかダンス)
 * 12) Special Day (すぺしゃるでい)
 * 13) but-show TiME

Must & Minshai Editions Blu-ray

 * 1) Osshoi! (MUSIC VIDEO)
 * 2) Osshoi! (Choreography Video)
 * 3) Yoka Yoka Dance (MUSIC VIDEO)
 * 4) Yoka Yoka Dance (Choreography Video)
 * 5) Special Day (MUSIC VIDEO)
 * 6) Special Day (Choreography Video)
 * 7) "Batten Shoujo-tai no, Inaka Musume ga Shi Daitoshi no Live House wo Meguru Tour" ~4.6 Tokyo Taikai~
 * 8) but-show TiME (SE)
 * 9) Yume no Canvas
 * 10) Shittocchan
 * 11) Atsu ka Natsu Kitabai!
 * 12) Special Day
 * 13) Fre! Fre! Friends
 * 14) Bibibibishoujo
 * 15) Kotoba Tennis
 * 16) To-to.
 * 17) Nobishiro Koushinkyoku
 * 18) Yume no Squall
 * 19) Batten Shoujo.
 * 20) Kororin HAPPY FANTASY
 * 21) Yoka Yoka Dance
 * 22) Sayonara DESTINY (EN)
 * 23) STORM! (EN)
 * 24) Osshoi! (EN)
 * 25) ENDING