Based on the available sources, "Shiroi Koibito" exclusively denotes the renowned confectionery product and its dedicated theme park in Sapporo. These sources detail the park's attractions, history, ticket pricing, workshops, and facilities; the biscuit's ingredients, origins, popularity, production methods, and variants; practical visitor guidance covering hours, access, and seasonal activities; recipes for recreating similar biscuits; and unrelated material regarding a Yagate Kimi ni Naru anthology. No references exist to an anime series, film, OVA, or spin-off titled "Shiroi Koibito," nor to any characters, including "Kou no Tori," originating from such media.