Special Day

 is the third major single by Batten Shoujo-tai. It was released on February 15, 2017, and peaked at #5 on the Oricon singles chart.

Kikinshai Edition CD

 * 1) Special Day (すぺしゃるでい)
 * 2) Kotoba Tennis (コトバテニス)
 * 3) Kororin HAPPY FANTASY (ころりん HAPPY FANTASY)
 * 4) Special Day (すぺしゃるでい) (inst)
 * 5) Kotoba Tennis (コトバテニス)
 * 6) Kororin HAPPY FANTASY (ころりん HAPPY FANTASY) (inst)

Kororin Edition CD

 * 1) Special Day (すぺしゃるでい)
 * 2) Kororin HAPPY FANTASY (ころりん HAPPY FANTASY)
 * 3) Special Day (すぺしゃるでい) (inst)
 * 4) Kororin HAPPY FANTASY (ころりん HAPPY FANTASY) (inst)

Minshai/Utaetai Editions CD

 * 1) Special Day (すぺしゃるでい)
 * 2) Kotoba Tennis (コトバテニス)
 * 3) Special Day (すぺしゃるでい) (inst)
 * 4) Kotoba Tennis (コトバテニス) (inst)

Minshai Edition DVD

 * 1) "10.29 Watanabe Tori Taikai ~Koko kara BEAT ba Kizan demo Yoka Yoka Yoka STATION~" Live & Document
 * 2) Part 1 ROAD to ITSUZAI
 * 3) Part 2 IDOL PLEASURE. Live, Yari ni Kimashita
 * 4) Part 3 Fukuoka Aki no “Osshoi” Matsuri
 * 5) Special Day (MUSIC VIDEO)
 * 6) Special Day (Choreography VIDEO)