Height: 173 cm
Arata Wataya is a transfer student to Chihaya's elementary school, grandchild of a master karuta player, Arata inspires Chihaya to take up karuta. He has difficulty fitting in at Chihaya's elementary school because of his Fukui dialect and passion for karuta, but Chihaya befriends him. His dream is to become a karuta Meijin. After graduating elementary school, he returns to Fukui to care for his grandfather. After returning to Fukui, he quits karuta because his grandfather died while Arata was competing in a karuta tournament to rise to A-rank.
Voiced by: Yoshimasa Hosoya