A meticulous depiction of the ten-year love between a female teacher and her student. This story begins with Yui sensei, who is teaching Shiori, who is worried about her entrance exams, suddenly kissing her! The two work together to overcome various turning points in life, such as graduation and employment. When Yui-sensei is in a difficult situation, Shiori-san comforts her by saying, "It's my turn to help you!" However, suddenly, they are forced to part ways. "I'm getting married..."Yui's tearful confession makes Yui-sensei... Don't miss it!