15 years ago at Okinawa, Japan

2 childrens ran along the beach. suddenly, the little girl stopped and called the little boy.

Little girl : minnie-chan

The little boy turned around and came to the little girl.

Little boy : what is it, mingkki-chan?

Little girl : come sit beside me

the little boy sat beside her. then, the little girl named mingkki put out 2 shells and 2 pen.

Mingkki : minnie-chan, have you heard about a legend in Okinawa?

The little boy called minnie just shooked his head and looked at mingkki with an innocent looks.

Mingkki : in Okinawa there is a legend. if you write something that you want to say to someone you love on a shell, and then you give it to the person that you love, the legend said that both of you will be happy forever.

Minnie : how about we make it? and then let's exchange, we love each other right?

Mingkki : nee

then this two young childrens wrote their letter. after done with it, they exchanged their shells and read.

Mingkki : minnie-chan, it's really sweet.

Minnie : arigato mingkki-chan.

Mingkki : minnie-chan how about we throw this shells into the sea. all of the sea in world are united, let's hope that these shells will be came back to us.

Minnie : it's a good idea mingkki-chan

then this two young childrens walked until their feet were greeted by ocean's water. after that, both of them throw their shells as fas as they could.

minnie : I wish it will be comeback to us.

Mingkki : me too

minnie : by the way, mingkki-chan. it will be my last day in Japan

Mingkki : eoh? minnie-chan, you've got to be kidding me

Minnie : I wish I was mingkki-chan. but unfortunately, I'm serious this time.

Mingkki bursted out tears. and then minnie hugged her.

minnie : don't cry mingkki-chan, we'll be meet again soon

Mingkki : promise

minnie : promise.

they had their pinky swear. after that, minnie went back to his house and also mingkki.

15 years later, on present. Seoul, Korea.

guy 1 : come on maknae, we have to go right now !!

guy 2 : I'm on my way hyung

Guy 2's POV.

Mingkki-chan, how are you? I wish you are in a good health. I really missed you. We haven't contact for years since I went back to  Korea. I wish I could see you again mingkki-chan. Saranghae.

Other Place. Author's POV

girl 1 : Yah! it's already the time, we have to go right now !!!! I MEAN RIGHT NOW !!!!

girl 2 : Just a second bommie eonnie.

girl2's POV

I miss you so much minnie-chan. I wish I could see you. I came to korea for you. but? I haven't see you. where are you minnie-chan. God please, let me meet my minnie-chan once again. Saranghae minnie-chan