Yabasawa-san really wants a certain part for her avatar, and asks the Sket-dan to join a game tournament put on by a cellphone game site. The Sket-dan isn't particularly enthused about the prospect, but when they find out that the Student Council will also be participating...
And this was all for your 
3 mouth in the first place!
¡Si todo esto fue por esa boca "Tres"!
¡Y todo esto era por esa boca "Tres"!
E foi tudo pela sua boca em 3
 para começo de conversa!