Sunshine, cool breeze, and the floral fragrance of hyacinths in a gray sweatshirt are Shi Yan's impression of the summer of 2016.
During a trip to a foreign country, she met the boy, but the time they got together was only twelve days.
She didn't know if they would ever meet again, but she always had hope for some reason.
The female protagonist is a bit of a nymphomaniac, and the male protagonist is a foreigner who doesn't like to be cautious.