I'm a big fan of Hachiko's works, so I was ecstatic to see a new upload, and it did not disappoint. I expect to absolutely love this one.
Reading some of the comments brought up a memory - there was this one time where I was pretty much in the exact same position as Akari; a girl with whom I was very close during childhood moved away, and a good few years later I randomly encountered her when visiting another friend, and said girl had no clue who I was. Shit still kinda stings, not gonna lie. I definitely can understand why Akari's so upset.
Also I know how this sort of "upset" works in Hachiko's works, so I expect it to be very cute.
I assume you mean chapters? Heck, coming from Hachiko...
Same opinion here. The premise may have struck a dissonant chord for some, but I don't doubt that it'll be top-shelf fluff in a matter of chapters.
...but I am curious: has anyone actually forgotten a childhood friend?...
Like Cogito mentioned, and my example above, it works differently for different people.