This product commemorates the 10th anniversary of Suica e-money in March 2014.
Using brioche dough with plenty of butter, Suica's penguin-inspired "black" is expressed in cocoa dough, and Suica's image color "green" is expressed in pistachio paste. In addition, Franboise is included as a taste accent, and it seems that you can enjoy the rich taste unique to the hotel.
You can buy it at the pastry & bakery boutique on the 1st floor of the hotel. The price is 250 yen (tax included) per piece.