Singer IU revealed a mature look in celebration of Kiss Day.

On June 14th, IU posted on her twitter, "I heard its Kiss Day today. I shyly stuck out my lips... Hehehe" along with a picture.

In the revealed picture, IU is wearing a white top with her long wavy hair down, showing off her feminine look. She is sticking out her lips a little and opening her eyes widely.

Internet users who saw this commented, "Goddess,” "Her lips are calling for kisses,” and "This is so cute.”

Photo: IU's Twitter