Fifteen-year-old Ju Jinjin feels that the luckiest thing in life is meeting 17-year-old Song Yu. Twenty-two-year-old Song Yu feels that the happiest thing in life is to meet twenty-year-old Ju Jinjin again. The young giving up and mutual efforts finally led to a new encounter. This time, we will not let go.
"Song Yu, I like you."
"Sorry, I don't want to fall in love yet."
…
"Ju Jinjin, I like you."
"Sorry, I don't want to fall in love yet."
"Okay, then I will be your boyfriend from now on."