What happened for these two to be get along so well, it seems like they don't have these relations...

Marisa, want a snack ?

Yes

Okay aa~~~~n ♪

A~~~n mm~mh, delicious~

What !? What are you doing !?

Aah, sorry maybe you don't know of this custom

The a~~~n just now that's what we say to someone we like before feeding them

What happened between you two?!

Aren't you getting along a little too well !?

Ah, by the way Yukari, we haven't told you yet

Aah ?

Aah, in fact