Soujin's first major role in the anime was in the Ikki Tousen: Xtreme Xecutor series. In the beginning, she was present at Kyoshou during Bachou Mouki's attempt to fight Sousou Moutoku. Later, she was chosen as one of two Kyoshou representatives (the other being Kyocho Chuukou) sent to participate at a tournament on Nanban Island, which was actually a trap. Captured by Nanban fighters, Soujin was the one who identified Ten'i among the attackers, giving the viewers a clue to the identity of the mysterious Kentei. According to Koukin, Soujin is a B-rank fighter who is in charge of leading and managing low-level Kyoshou fighters. Soujin never trust with Courtney.