Because of his too reserved personality, the girl he once loved misunderstood that he was indifferent. When he broke up with him on the day he graduated from junior high school, his tears turned into an insurmountable barrier in his heart, cutting off all future contacts with the opposite sex. When a girl as dazzling and passionate as the sun knocks on his heart again after a year, can he get out of the shadow of the past and respond? "Only her face can't have that sad expression. I... Don't have the confidence to respond to the other party's expectations."