Gintoki and Hijikata try everything they can to split Otae and Dozaemon-san up, but there are some other switcheroos happening behind the scenes.
That's part of the vice chief's duties, too.
ذلك جزء من واجبات نائب القائد أيضًا
Es tu deber como subcomandante.
Também faz parte do 
dever de um tenente.