虹色ほたる 〜永遠の夏休み〜

谷育子 as Obā-chan (voice) 中井和哉 as Kenzō – Adult (voice) 本城雄太郎 as Shintarō (voice) 武井証 as Yūta Otabe (voice) 石田太郎 as Hotaru Jii (voice) Yuuki Yagi 能登麻美子 as Saeko – Adult (voice) 田中正彦 as Saeko's Father (voice) 大塚周夫 as Aotengu (voice)

藤田乙比古 Musician 宇田鋼之介 Director 日野香諸里 Background Designer 相澤昌弘 Key Animation 松任谷正隆 Original Music Composer 小西賢一 Key Animation