If melon, matcha, and chocolate are flavors that you enjoy, the Super Sweets Buffet at Tokyo's Hotel New Otani will be right up your alley. The event runs until June 30th and offers a range of immaculately presented desserts including melon panna cotta, matcha roll cakes, and chocolate brûlée to name just a few. There will also be a host of savory dishes including salads, sandwiches, and soups to choose from. The full event menu can be found in PDF form here (in Japanese).
General adult admission to the Super Sweets Buffet is priced at ¥ 6,300 on weekdays, and ¥ 7,400 on weekends and public holidays. Reservations are required for the event, and they can be made via the official hotel website here.