Shun's younger brother Fuyuki and his girlfriend Mamiya-san kissed.  When Shun finds out, he asks his friends what he should do as Fuyuki's older brother.
Fuyuki ignores his brother and goes on a date with Mamiya.  The gang decides to follow the couple on their date and end up at a karaoke box.
You lost a whole load of points 
because of that hairdo.
Perdiste muchos puntos por ese corte de pelo.
Perdiste muchos puntos con ese corte de pelo.
Você perdeu vários pontos
 por esse cabelo aí.