Oh yeah, does the little girl on the monkey bars remind you of anyone~?
I know it's highly unlikely that this is intentional, but I'd just like to point out she's a year younger than Shin in his child form, not to mention she does a lot of reading and is rather smart.
Edit: Oh, and I went to an anime streaming site I hadn't used in a while to see if they had a certain OVA, and at the top left, they give two anime recommendations at random. Look at what they gave me:
