A 15-year-old player from the Kansai Go institute. Yashiro studied Go when he was ten and became a professional player by the age of fifteen, thus praised by his teacher and regulars of the Kansai institute as a prodigy. However, he often has trouble garnering supports from from his parents, who believe playing Go has no future and force him to continue high school. Unabashed by this setback, Yashiro strives to become a successful player to prove he made the right choice.