Childhood Sweethearts, the Heroine Has Lived in the Hero's House Since Childhood, from Kindergarten to University

Childhood sweethearts, the heroine has lived in the hero's house since she was a child. They have a good relationship with each other's parents. The heroine's mother and the hero's mother are best friends. Their homes are very close to each other. They have been in the same class from kindergarten to university. The heroine is not afraid of anything and dares to criticize the teacher.