Father Ninomiya

Owner of the Ninomiya confectionery shop and Ami's father. He deeply resents the Yamato shop, and has expanded his own shop to better compete. Every night before going to bed, he yells, "Die, Yamatos!" on his veranda. Keisuke is initially introduced to him as "Keisuke Yamada" to hide that he's the son of the rival Yamato family, and Ninomiya takes a liking to Keisuke. He is a 3rd Dan in judo. (Source: Wikipedia)