Seishu "Inupi" Inui is a key member of the 10th Generation Black Dragon in Tokyo Revengers. Known for his loyalty and calm demeanor, Inupi is a skilled and dependable fighter. Despite his tough exterior, he is deeply emotional and carries a sense of responsibility for his friends and the gang’s legacy. Inupi values Black Dragon’s original ideals, which often conflicts with the violent leadership of Taiju Shiba. His strong sense of loyalty and his dedication to preserving the gang’s honor make him a vital and respected figure within Black Dragon.