Katsura infiltrates the Shinsengumi in a bid to take it down from the inside, but he finds he has an unexpected foe to deal with.
That's all it takes to have 
a successful conversation.
هذا كلّ ما يقتضيه الأمر لإجراء محادثة ناجحة
escuchando, asintiendo y sonriendo.
Basta isso para que a conversa dê certo.