This cake is from LA BOUTIQUE de Joel Robuchon, purchased in March 2023. I forgot the name.
Where to Buy
Marunouchi Brick Square Store
Address: 2-6-1 Marunouchi, Chiyoda-ku, Tokyo
Marunouchi Brick Square 1F
Phone: 03-3217-2877
Business hours: 11:00-21:00
Access 2 min. walk from Nijubashi Sta. on Tokyo Metro Chiyoda Line
https://www.robuchon.jp/en/shop-list/laboutique-marunouchi-brick-square
(Information as of August 1, 2023)
