Gaku Yashiro

Serving as Satoru’s dedicated homeroom teacher throughout his primary school years, Gaku Yashiro played a pivotal role in the young boy's early education. As a mentor during these formative developmental stages, he navigated the daily classroom responsibilities of a primary educator while guiding his students through their foundational learning. His presence in Satoru's childhood provides a crucial glimpse into the character's early upbringing and the academic environment that shaped his development.