The fourth battle of Wakayama Castle is between Ichinotani Tenma and Anayama Kosuke.  Anayama says "Justice" a lot.  He attacks Tenma with his warped sense of justice.  A badly wounded Tenma continues to fight, hoping for just one thing: to meet the father and mother he's never seen.
Whenever I think of my mother and father,
¡Cuando pienso en mis padres,
Cuando pienso en mis padres
Sempre que eu penso no
 meu pai e na minha mãe,