As Momoko Sugisaki is working in a child care service, she has a tough time learning how to react to the children in need of her help, since the child care she is working for specializes in in-home day care for sick children. Trying to find out when the rules should be overlooked to satisfy the needs of the sick children. Growing up with them, Momoko is able to tell how one person can make a difference to the lives of the children.