Who is Father from Dance Dance Dance: A Novel and what is their importance?

Hiraku Makimura is Yuki's father. Once a well respected. bestselling author, his career is now slipping. Yuki doesn't appear to care very much about her father, and although he takes care of her material needs, he lacks in fathering skills. Note, the name Hiraku Makimura is an anagram of the author's own name - Haruki Murakami.