크레딧 출연 Yotsuba Yō Onii-chan (voice) Nanako Mamiya Onami Kohaku (voice) Mako Ayane Onami Sora (voice) 스텝 Hideta Oota Directing Matsu Jun Visual Effects Chiaki Saegusa Sound Kouki Shinkai Editing Hidehide Art Souzan Seira Visual Effects Masanori Kisoi Camera Hideta Oota Production Shinichirou Sawayama Writing