Co-founder Warong Chalanuchpong, who also runs Nana Coffee Roasters, won the 2018 World Siphonist Championship as Thailand's first champion. Head barista Kanda Thochampa holds the Thailand National Barista title and competed at the 2019 World Barista Championship with Team Knockbox. Her Le Boissom De Kanda, a sparkling espresso with lemon, orange, peach, and Earl Grey, won the 2016 Signature Drink Award. The café primarily serves Ninety Plus coffees through espresso, filter, and Modbar.
It sits above florist Nattaphat Suriyakampol's Oneday Wallflowers shop on Soi Nana in Chinatown's Pom Prap district. Burnt wood panels form a world map behind the grey concrete bar, with mismatched vintage furniture, antique curio shelves, and cakes decorated with edible flowers. A steel spiral staircase climbs to the rooftop, overlooking Chinatown's shophouses.