Rule Book wo Wasurechae

Rule Book wo Wasurechae is the fourth single by ULTRA-PRISM. The lead track features Shiradamuchuu Gakuen Joshi Soft Tennis-bu, a voice actress unit made up of Ito Kanae, Kitamura Eri, Ito Shizuka, Akesaka Satomi, and Yahagi Sayuri.

Single Information
Rule Book wo Wasurechae was used as the opening theme for the anime Softenni.

CD

 * 1) Rule Book wo Wasurechae (るーるぶっくを忘れちゃえ)
 * 2) Dadadadadash! (だだだだだっしゅ!)
 * 3) high☆space
 * 4) Rule Book wo Wasurechae (るーるぶっくを忘れちゃえ) (Instrumental)
 * 5) Dadadadadash! (だだだだだっしゅ!) (Instrumental)
 * 6) high☆space （Instrumental）

Limited Edition DVD

 * 1) Rule Book wo Wasurechae (るーるぶっくを忘れちゃえ) [MUSIC CLIP]