You can't watch this movie without a sad smile on the face. It's a charming story about...youth. Middle school period of life, when days are longer, grass is greener and the future is brighter. First love, first confession (successful and not very), first questions to yourself, first attempts in something. As it was expected, Ghibli with it's magic powers brings out you own memories and forgotten wishes from the same age. Light bitterweet melancholy fills the room, while you keep watching this movie.
I can not guaranty, but something tells me that after the last scene most of you will sigh and think "Ah, I wish, I could meet that fat cat too"..or something like this.