This story is about a top high grade student that rarely to communicate with other peoples, Shinana Joy. She being expelled from her high grade school because her final year exam grade is worst of the worst and she transferred to lower grade school called Ayano Lower Grade School. Ayano Lower Grade School area size is about 1 city big. She live on the small dorm called Tomodachi along with her 6 new friends that still new on that school and her dorm seniors. The school slowly changed Joy and give her a big impact of her life along with many incidents and conflict.