When it comes to Kaoru Kobayashi’s filmography, one title really stands out as his highest rated work—Quill: The Life of a Guide Dog from 2004. It’s definitely a highlight in Kaoru Kobayashi’s career, earning praise for its heartfelt storytelling and emotional depth. On the other end of the spectrum, Kaoru Kobayashi’s lowest rated project came much later with Kubi in 2023, which received a more mixed response from audiences and critics alike. While Kaoru Kobayashi has taken on a variety of roles over the years, these two films represent the peaks and valleys of his journey so far.