Yoshito Usui and his studio never responded positively to this rumor, and Yoshito Usui also said in an interview that Xiao Xin's image came from his own children.

Synopsis: Nohara Shinsuke is a 5-year-old boy who is attending kindergarten. His family lived in the suburb of Kasugabe, with his parents and a little dog named Xiaobai, and then he joined a new member, Nohara Himawari.

The author draws materials from daily life and tells the story of Nohara Nosuke in daily life. Nohara Shinsuke, the hero of the story, is a naughty child who likes to be original and imaginative.