Okay, so why are these pairings tagged with Hisa x Mihoko when Mihoko calls Hisa "Ueno"? Took me forever to make sense of this pairing because of that.

And as long as we're on the subject, why does she call her "Ueno"?

All that said, this was a very sweet, fluffy doujin and you should totally read it. /nod

Okay, so why are these pairings tagged with Hisa x Mihoko when Mihoko calls Hisa "Ueno"? Took me forever to make sense of this pairing because of that.

Because those are the characters' names.

And as long as we're on the subject, why does she call her "Ueno"?

Mihoko met Hisa once before, before Hisa's name was changed due to family circumstances. So she uses the name she knew from back then. It's brought up in the series and in some of the doujins.

Okay, so why are these pairings tagged with Hisa x Mihoko when Mihoko calls Hisa "Ueno"? Took me forever to make sense of this pairing because of that.

Because those are the characters' names.

Don't try to confuse me with your "facts" and your "logic"!