Cho Hwan-Yun .
A shy and innocent boy .
20 Years Old
Has 4 lovely older brothers.
Absolutely the youngest in his family.
-He has cute owl eyes(just like his brother , Cho Kyungsoo)
-He has milky skin.
-He has cute small lips.
Overall , he is a cutie pie of his brothers. 
(You can imagine it yourself.. hehe )

Cho In-Sung
A successful CEO.
29 Years old.
1^st brother of Hwan-Yun.
-Act like eldest son.
-Always care about his brothers especially his cutie pie , Cho Hwan-Yun.
-A bit protective over Hwan-Yun.
(You can see that he is handsome.)

Cho Jung-Suk
A charismatic brother.(work under his brother , Cho In-Sung).
27 Years old .
2^nd brother of Hwan-Yun.
-Act like second eldest son.
-Doesn't like stranger get close to his cutie pie , Cho Hwan-Yun.
-Same like his brother, Cho In-Sung .(Overprotective brother)
(He handsome ,right? No need to discuss about it ... ^_^)

Cho Jong-Suk
An owner of Chu-mi Cafe.
25 Years old.
3^rd brother of Hwan-Yun.
-Cool and handsome .
-Hardworking.
-Also overprotective brother.(again?/)
-Love Hwan-Yun (his cutie pie) so much...
(Just mention it . Handsome....)

Cho Kyung-Soo
Work with his brother,Cho Jong-Suk at Chu-mi Cafe.
24 Years Old.
4^th brother of Hwan-Yun.
-Caring brother.
-Loves Hwan-Yun so much ... too
-Overprotective brother.(Of course to Hwan-Yun)
-He also doesn't like stranger get close to Hwan-Yun.
(HANDSOMEEEE . of course )
 

BTS
A group of popular students.
They secretly fall in love with Cho Hwan-Yun.
Sometime they also act like a brat ... duhhh
-Handsome
-Talented
-Act a bit gangster. (Just a bit ... i guess^_-)