Park Jisung, a high school student with a low family background, is in a relationship with Zhong Chenle, heir of a big company whose branches are known worldwide. Their relationship is pretty perfect but Chenle's parents are against Jisung, not wanting their son to date a guy with a low background. One day, Chenle got into a car accident, causing to lose all of his memories, including his one and only Jisung. Even if the brain forgets, will the heart remembers everything?

He was only 11 years old when he saw that blond-haired cutie on the first day of middle school. Park Jisung has been in love with Zhong Chenle for a long time ever since the first time he saw the older boy. Only many embarrassing moments,awkward situations , and 5 years later does something start to happen between the two.

in where jisung can't get enough of chenle's kisses.