The gag is obvious enough (poor Momiji XD) but I'd like to know the rest.

Even without the translations I think this is a wonderfully cute comic. But I can understand hatate's jealousy in the last panel since she did say "iina" which is a word of envy of another's enjoyment.

bumpin for translations

Bump for translations?

Betrayed by her own instincts

Krugger said:
Betrayed by her own instincts

aren't we all?

Translations please~~~

Puppy play. I do not think it means what you think it means.

Her instincts are showing again. This doesn't bode well at all for Aya.

Hatete is rival but no pet.

Translation bump. One bubble didn't get done for some reason.