Okita Sōji
Saitō also appears in both of the original video animation (OVA) series. In ', his role and activities as a Shinsengumi captain during the Bakumatsu are depicted. As a result of his involvement in the Ikedaya Affair, he and his Shinsengumi comrades successfully prevent the burning of Kyoto by an extremist faction of the Ishin Shishi. His interactions with Okita Sōji as well as his first encounter with Himura Kenshin are also shown. Saitō has very brief cameo appearance in a flashback scene of '.