In the ignorant and youthful college days, from knowing, understanding, liking, and confessing to him... Everything was so happy, until the appearance of the school girl broke it all; gradually they became strangers, and finally became two parallel lines that would never intersect. She is a carefree and casual girl with an average appearance and a slightly chubby figure; he is a delicate appearance, not tall, and usually likes to play basketball and games; while the school girl is petite and thin. She was often instilled in her by her roommate that "he is a nice person and attentive...". Over time, she fell in love with him through playing games, and the two began to get acquainted with each other. They attended classes together, reviewed together, and had fun together... But everything ended shortly after the start of her sophomore year. For various reasons, the trigger was the school girl with a good figure. In this way, they composed a melody that was unique to them.