Maybe Language Barrier
should be a tag; The Frontier, I Want To Leave Behind a Miraculous Love and this have the element that the characters can't communicate using words (at least very easily). I don't know if there are many other chapters with this element but other people have commented some single pictures that do so that's at least something, perhaps adding a tag for something with so little entries wouldn't be worth but seeing as Trippy, Nun, Lots of brushing and M Night Shyamalan are all tags despite the little amount that pertain to them...
The two I just listed are two of my favourites so I'd love to see if there are more with this trope(?).
Anyways; I love this, wonder what the mother was thinking, "tell someone how you feel" doesn't immediately make me think "oh, she's trying to say 'I love you'". It probably makes more sense in Japanese.
SpencerSDH:
I love stories featuring communication barriers. I think it's a wonderful thing for people to overcome them. This was adorable, and I would love more like this.
Look at The Frontier and I Want To Leave Behind a Miraculous Love.