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.
I'm not sure, but apparently...
No estoy seguro, pero aparentemente algo terrible le ha pasado al hermano de Shun.
No estoy seguro, pero parece ser que algo terrible le ha pasado al hermano de Shun.
Não sei direito, mas pelo visto