Sawada appears in the 1997 OVA *Psycho Diver: Soul Siren*. He operates within the same organization as Kuroiwa, serving as his associate. Sawada dies during the OVA's events, caught in the conspiracy targeting pop star Yuki Kano and involving the psycho diver Bosujima. His documented presence is confined to this standalone OVA, with no appearances in sequels, spin-offs, or expanded media.