The Bodyguard:-

*Choi Sooyoung:Jessica's bodyguard.Falling in love with Jessica since he's teenager.He keep hide his feeling because he think he doesn't deserve with someone who have a high status that he is.

*Kim Hyoyeon:Sunny's bodyguard.Really like Sunny especially when she cook.Easily nervous when get near her.

*Kim Taeyeon:Hyoyeon cousin and Tiffany's bodyguard.He's a fan of Tiffany and kind of ert but he actually nice.

*Im Yoona:He's Seohyun bodyguard and have sacrifice a lot for her.

The SONE:-

*Jung Jessica:She's the leader of SONE.Very cold and especially to Sooyoung.

*Lee Sunny:Very funny and like to tease Hyoyeon.

*Hwang Tiffany:Fall in love with Taeyeon but the way she show it  by testing him with seducing him.

*Seohyun:Really obidient person and still studying at University.