A set of children's storybooks depicting the school and family life of a first-grade child in primary school. In the book, Lan is wise and passionate. Grey is simple and greedy. Dian is gentle and tolerant. Fa is generous and warm-hearted. The headmaster has a broad visionary and is humble. The parents of Blue is innocent, caring and lovable. There are colorful, vivid and interesting stories in 'We are a mouse class, Season 1'