FT Island's Lee Hongki has a pretty sister and he is a proud oppa to show her off to you.

On his twitter and instagram, Hongki posted two photos of his younger sister. He wrote along with the pictures, "Come and catch me in Andong... I'll treat Andong's steam chicken to five people." and "#LOVEGO333 when are you gonna start"

In the photos, Lee Hongki is seen behind his sister, who is apparently the one taking the picture. She looks cute with her big eyes and and timid smile.

Fans who saw the photos commented, "You two look a like!","Your sister is so pretty.","She's so pretty.", and so on.