It started eighteen years ago when the Seo Family moved to a house near Cho Family's estate in Jeju.

Their three years old daughter, Joohyun, was the prettiest thing that six years old Kyuhyun, Cho's youngest son, had ever seen.

He met her in their first autumn together at a bench near the river bank, a chubby little girl in pink sweater and white hat with a teary face, who was lost when she run from her older sister upon seeing a beautiful bird.

Always been the youngest, he used to be a spoiled and harsh little boy. But the moment he saw the girl, what he wanted was only to cheer her up, wondering what she would be like if she smiled.

So he held his hand to her, let her borrowed his fluffly little teddy, and watched with wide eyes when her lips curled into beautiful smile.

'What's your name?' 'Hyunnie! And I'm three!' She raised three small chubby fingers. 'Really? I am Hyun too. And I'm six.' 'Our name is similar' 'Yeah. But I am much older, so since today, I would be Hyun-Oppa and you would be Hyun-Baby.'

She clapped her small hand happily, 'Hyun-Oppa!' She pointed at him, 'Hyun-Baby!' then she pointed at herself while giggling. He nodded. Satisfied that she liked his suggestion.

And he decided that he was a fan of her smiles. And that he would always made her smile.

And she decided that she was a fan of his kind eyes. And that she would always smile when he was around.

He brought her hom