Hiro is a citizen living in Konohana, and is very easy to find because he never leaves the village. He works as Ayame's assistant at the clinic. Hiro's father is a great doctor, and Hiro dreams of following in his footsteps. Although clumsy at times, Hiro always has a smile on his face, and is a very happy individual. He cares about all of his patients, and will offer advice when he feels it is necessary. He looks up to Dr. Ayame as much as he does his father.