@AshhhUK thats true but one of the comments on manga updates also calls out the out of place romance tag. seeing as how theres 4 volumes ... you'd think there will be a timeskip... but im betting theres no romance.
It's gonna be sad when they have to part, but it won't be the last time they see each other. Since her school is walking distance from his house, they are bound to bump into each other.
@Kaarme well that's the point, it will be considered as cannibalism if chocolate (the dog) eat chocolate (real choco) so it will prevent peoples to feed him chocolate.