The heroine Yukino Makihara was born in an ordinary family,and had been raised in an ordinary environment. Now She lives in her uncle's house because of her school's location. She is a bit clumsy and careless, often gets misfortunes. But she works hard on study despite of such things. A turning point of her life comes when she has an accidental eye contact with a boy in same school at a library.His name is Souji. As talking with him a number of times,she is getting attracted by his serious attitude to hisdream to be a doctor and bright personality.After getting in a relationship with him, Yukino sets her mind to go to the university which he wants to go to.But her family isn't affluent enough to let her do so...Thus, she begins to earn money.