Characters

Song Jaerim as Jaerim - the eldest brother who manages the company of the family (from cars to electronics). A quite strict brother to Tina who loves to paint whenever he is stress. He also look up to Tina's academic activities and school stuff.

Kim Woobin as Woobin - the second eldest brother who is famous model in asia. Who always paying attention to Tina's fahsion and always accompany her in terms of shopping.

Yoon Dujun as Dujun - the third eldest brother who manages a high-class restaurant business of the family. A funny person who always makes the family laugh out loud. Hates to see people cry especially their precious youngest, Tina.

Park Seojoon as Seojoon - the fourth eldest brother who is a pediatrician. He always paying attention to his family's health since their Dad died with numerous diseases. Tina's ideal type for a boyfriend.

Im Siwan as Siwan - the youngest brother who is an English Online Teacher. Among the brothers, Siwan is the one who knows well Tina's childhood until she become a lady. He is like a mother to her and the closest brother to her.

Tina as Tina - the youngest and the only girl of the siblings. She is friendly, smart, shy person and the princess of the family. She raised by her brothers with the help of their Aunt Misun.

Park Misun as Misun - an owner of comestic company and hotelier. Tina's Aunt who is eldest and only sister of their Mom. She became the second mom of the siblings since she has not yet married and still looking for the right man.

Hong Jonghyun as Jonghyun - An Archery athlete who will be Tina's crush and become her love interest. Soeun's brother.

Choi Jinri as Sulli - Tina's bestfriend since childhood who leaves right next door. Likes to read books and loves to bake. She treat Tina as her sister since she is only child in the family. 

Park Jiwon as Jiwon - Tina's childhood friend who will be her enemy. Jiwon is only child in the family and spoiled brat who always get she wants. Like to be always in the center of attraction.

Kim Soeun as Soeun - a pre-school teacher who loves to travel. Jonghyun's sister who will be Jaerim's love interest.

This will be the main characters of the next fanfiction story.. I'm still thinking if who will be suits for other brothers' love ineterest. Any suggestions? Please comment below.. Thank you in advance! :D