Felicimo Cat Club sells "Exciting Tsundere Nyan's Nyasumaro Christmas 12 Pieces Set" on the Web. The price is 2,900 yen per set (tax not included, shipping included).
This is a marshmallow printed with "Tsundere Nyan" dressed as Christmas. Contains 6 tsundere nymphs dressed as Christmas and 6 basic tsundere nymphs. It's a large size and contains rich chocolate cream, and even one piece is finished to a satisfying eating response. It's a must-check item that will liven up the Christmas party where cat lovers gather!