Ujina Tokimasa was originally a ronin who went by the name of Tokimasa. He was the son of a noble samurai who had been killed by Bloodspeakers and had devoted his life to finding and destroying them. He had been a fan of the tragic story of the Hare Clan and always wanted to meet the famous Usagi Ozaki. His bravery and devotion eventually led him to found the Ujina family of the Hare Clan.