Seinen, Fantasy, Mystery, One Shot

What do you want to be when you grow up? - These are the worlds every child hears at least once. Particularly for Mari, this question proves to be quite difficult when D, a wizard comes to the village. D is a childhood friend of Mari’s aunt, Lisa, and can use many kinds of magic. His main goal, however, is to grant the dreams of the children he meets on his journey. Mari is still unsure of what she wants to be when she grows up, but D tells her not to rush her answer. However, it seems that D could have a few secrets of his own. Is the reason for him returning to the village really as simple as he says it is?