Reimu ate the Aya one and will remain hungry, because as Kow stated, even she isn't able to eat the Momiji one, as it's just too HNNNNNNNNNNNNGGGGGGGG...
Aaaahhh! Damn it, Now everytime I try to eat mooncakes I will think of Momi and I won't be able to take a bit. Better use backup; *Slams a brick at head* Alright! Moon cakes!!!
Reimu ate the Aya one and will remain hungry, because as Kow stated, even she isn't able to eat the Momiji one, as it's just too HNNNNNNNNNNNNGGGGGGGG...
I think the last panel implies that she's eating them, but the Aya one is talking.
I dunno about you, but I can't eat food that talks.