Riku wa Yowakunai (2021)
Based on Sakagami's own life, the story follows the carefree daily lives of a 5-year-old and a puppy named Riku. In addition to the Italian greyhound Riku, the characters include the chihuahua Tsutomu, the miniature dachshund Yousuke, the French bulldog Maruchan, and the pug Paguzоou.
Director: Masatsugu Arakawa
| Directing | Masatsugu Arakawa | Director |
| Production | Nobuhiko Sako | Producer |
