Sumio Watanabe, a prominent figure in the anime industry hailing from Hyogo Prefecture, has made a significant mark as a director at Studio Guts. His most notable work, "Geisters: Fractions of the Earth" (2002), showcases his unique storytelling and artistic vision, blending intricate narratives with stunning visuals. This film has garnered a cult following among collectors, who highly seek out its limited DVD and Blu-ray releases due to the film's complex themes and the nostalgia it evokes for early 2000s anime. Collectors are particularly drawn to Watanabe's work for its artistic depth and rarity. "Geisters," in particular, is often celebrated for its innovative animation techniques and is a standout in the landscape of early 2000s anime. The film’s scarcity on physical media has made it a coveted item for enthusiasts who appreciate not only the story but also the craftsmanship behind its creation. As a result, Watanabe’s contributions to the anime genre continue to resonate within the collector community, solidifying his legacy in the realm of physical media.