Yamaoka manages a neighboring farm and works closely with Hosokawa, combining efforts to guide Hana through the challenges of rural living. While their techniques for growing vegetables sometimes clash, their collaboration stays efficient and balanced. Married to Nirasaki, an older farmer rooted in the community, Yamaoka provides hands-on aid to Hana’s agricultural endeavors, offering expertise and joining collective initiatives to ensure her family’s stability. His contributions focus on sharing farming methods and fostering communal support to ease Hana’s transition into her unfamiliar surroundings.