Haruka ShiraishiRuri "Hibari" Hibarigaoka (voice) / Theme Song Performance Hibiku YamamuraHibiki Hagyuu (voice) / Theme Song Performance Kiyono YasunoBotan Kumegawa (voice) / Theme Song Performance Mayu YoshiokaRen "Len" Ekoda (voice) / Theme Song Performance Yumiri HanamoriAnne "Hanako" Hanakoizumi (voice) / Theme Song Performance Chitose MorinagaTimothy / Tsubaki Sayama (voice) Yumi HaraKodaira-sensei (voice) Yuko GibuSakura Hanakoizumi / Hibiki's mother / Housekeeper (voice) Ami KoshimizuSaginomiya-sensei (voice) Satomi AraiUmebaba-san (voice) Jin TamamuraDirector / Storyboard Shunsuke MatsumuraProducteur Hiroyuki TanakaProducteur Hiroyuki KobayashiProducteur Takeshi HirookaDirector Of Photography Shin OonumaSeries Director / Storyboard Misato TakikawaAssistant Editor Haruka ShiraishiRuri "Hibari" Hibarigaoka (voice) / Theme Song Performance Takashi MurakamiMusic Producer Hibiku YamamuraHibiki Hagyuu (voice) / Theme Song Performance Mayu YoshiokaRen "Len" Ekoda (voice) / Theme Song Performance Yumiri HanamoriAnne "Hanako" Hanakoizumi (voice) / Theme Song Performance Kiyono YasunoBotan Kumegawa (voice) / Theme Song Performance Yuuki GoufumiSound Director Miwa OshimaCharacter Designer Erika TsukinoColor Designer Shigeki AwaiAnimation Director Ken MukaigawaraAnimation Director Yusuke KawakamiKey Animation Yoshiki NozawaKey Animation Jin TanakaSeries Composition Tomoyuki KawamuraStoryboard 
