Oh, you like the intro... the intro is a whole story in itself, you'll understand the meaning of a lot of things happening in the intro as you watch the series. Hope you'll keep up with this show, looking forward to next episodes
Bring a box of tissues or a roll of paper towel with you whenever youre watching this show cause youre gonna need it. And get ready to listen to some of the best anime ost youre going go to hear.