"It's been a long time. Tatsuya-kun." Yu, who welcomed me with a smile, was as beautiful as it used to be. For Tatsuya, Yu is a childhood friend's mother and at the same time a first love person. The real purpose of coming to Shinoda's house was to meet Yu. However, when Yu hears the voice talking to her husband on the phone and finds out that Yu is frustrated, Tatsuya's feelings are greatly shaken. I can satisfy Yu-san now ... Tatsuya's faint love for Yu turned into a fierce inferiority.