Gintoki insistence on saving Hajime has caused him to get badly hurt.  This match will be decided between Obi Hajime of the School of Beam Saber and Shimura Shinpachi of the 
School of Tendo Mushin.
And they're acting cheerful 
so we don't notice that fact.
Y ahora mismo pretenden que no nos demos 
cuenta, así que fingen estar contentos.
E então eles começaram a agir
 alegres para não percebermos.