This is actually really sweet and cute! Highly recommended. I legitimately have no idea what other tags to use, though. Suggestions appreciated.

that was incredibly sweet oh my goodness.

Oh my god that was adorable!!!

Aya's left leg on page 17 looks very odd. This was great though. The conclusion put a big smile on my face.

brings a tear to my gay little eyes

Noice ending

Love this one. Hatate doesn't appear much, whether in fanworks or canon, but her being kind of a shut-in it makes sense in a way.

Hatate is easily one of the most underrated Touhou characters along with Komachi