Touyama Hana

Toyama's daughter, currently ten years old.

The night Hana was born at Shibuya Central Hospital, there was an unexpected fireworks display outside the window of the maternity ward. As he looked out at the bursting rockets, Teruo decided to name his daughter Hana, after the Japanese word for fireworks, "hanabi."

Spoiler

She also writes intricate poetry that she sells to help pay off her dad's debt. Hana's talents will soon be discovered by Aya Kamiki, and she will go on to become a popular songwriter.