Sa-chan is Katsuo's wife. She comes to cheer him on during the competition. As they are married, she may share his surname and be named Mrs. Umino. "Sa" appears to be Katsuo's nickname for her, her full first name is unknown. . Retrieved from "https://yakitate.fandom.com/wiki/Sa-chan?oldid=5702" Categories: Female Characters Community content is available under CC-BY-SA unless otherwise noted.