Her first poem already inticates that she feels lonely, misunderstood by everyone, worthless. Shes a very deep charakter, hiding behind a wall of sugar and sweets. Shes trying to fit into the world, shes trying to find someone whos able to understand that she suffers much in the background.
In her mind, everyone does what fits perfectly, except of her - shes only trying.
Natsukis road is there. It's just not readable for everyone. You almost need to have some kind of experience with the situation shes in until you see whats going on.