Main Characters:

Name: Lee Jinki (Onew)

-Likes Taeyeon from their first meeting.

-Tends to argue with his sister, Sunny.

-Youngest in the family.

-Very smart in school

Name: Lee Soonkyu (Sunny)

-Hates people when calling her real name.

-Adopted into the Lee family when she was little.

-Cares for Onew a lot.

-Very strong.

Name: Lee Sungmin

-The oldest in the family.

-Takes care of Onew and Sunny, since their parents are on an around the world trip.

-Secretly likes Sunny.

-Likes to go camping.

Name: Kim Taeyeon

-Likes Onew because of his clumsy personality

-Gets jealous very easily.

-A new transfer student

-Dislikes being call short.

Name: Kim Jonghyun

-Likes/hates Jessica.

-Best friend with Onew.

-The joker in the class.

- Really good at singing.

Name: Jong Sooyeon (Jessica)

-Has a cold personality but very open toward her friends

-Likes/hates Jonghyun

-Enjoys making Jonghyun angry.

-Very violent.

Minor Characters:

Lee Joon                                       Shim Changmin                                  Cho Kyuhyun

Tiffany Hwang                                  Choi Sooyoung                                       Seohyun