Grand Maison Tokyo Season 1 Episode 6 Roasted Spanish Mackerel with Crystal Pomelo Sauce ( Air Date 2019-11-24 ) Genre Drama category. Overview "When Obana hears that the annual 50 Best Restaurants awards ceremony is to take place in Tokyo, he decides to create a new fish menu. Meanwhile, Kouichi, who has been secretly passing information to a rival restaurant, angrily quits after complaining about not being given enough responsibility in the kitchen.".