The OST for SBS drama "Protect the Boss" sang by Kim Jaejoong placed rank 1 on the Hanteo music chart.

Kim Jaejoong played the role of Cha Moo Won in "Protect the Boss" that was aired from August to September last year, and the OST "I'll Protect You" was released on September 8 of last year.

The fact that the OST ranked 1st place in Hanteo Chart proved that Kim Jaejoong is a world star. "Protect the Boss" had also gained much popularity in Japan.