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.
A smile, especially, can 
be used in any situation,
يمكن استعمال الابتسام على وجه الخصوص في أيّ وضع
La sonrisa en especial es una gran herramienta
 de comunicación en muchos casos.
O sorriso, mais do que tudo, pode
 ser usado em qualquer situação.