Thanks to the translation I understand what are they talking about. They won't admit that they baked the cake for each other and for Marie.
Lavish Cake
Glare
S h o c k
Chew ChewNo big deal, I bought this for myself!Don't mistake that this was even for you!T-T-T-This is for me, got it!Ah!Ah!Some person curried a bit more favor so...I'd like some cake as well Miss Blue Blood...having said that...Shut up youHm~... cake probablyWhat do you want for Christmas, Marie-sama?