Seoul. In the dining room, where a warm laugh can be heard. Leo, Nayoung, and Sejeong were having dinner together and talk about their plans for tomorrow. Leo's family is a rich family, they live in LA and just returned to Korea because Leo decided to expand his business in Seoul. Nayoung and sejeong just too happy to be able to return to their chilhood place, their home.

"So, tomorrow our maknae will start her school in a new school and nayoung will continue studies at Seoul University" Leo said.

"Yes, I'll go to a new school and get many new friends" Sejeong got excited while chewing her food.

Nayoung looked at her sister "Why are you so excited? It's not a big thing."

"Ey... You don't have spirit like me, you're not fun unnie" Sejeong said, sticking out her tongue.

" It's not because i'm not excited, but i think your spirit is soooo much higher than me" Nayoung laughed

"Or it's because you're too old now" she replied without looking at her sister

"Ya!! I'm just 4 years older than you" nayoung shouted

"Yee.. Yee.. but in fact your body tell me you're 10 years older than me, you paper person." she laughed

"Aish, this kid. I hate you" 

"I love you too unnie, so so so much" she faced nayoung and smile

Nayoung know her sister just joking at her. Sejeong's eyes smile always melt her heart and it can't make her angry, so she only glanced at her younger sister and ate dinner quitely, Leo smi