On 6.5

On6.5 is a Korean restaurant in Seoul serving creative dishes based on kimchi, including kimchi fritters, sea urchin gim noodles, and porcini dumpling sinseollo. The name comes from 6.5°C, the temperature at which kimchi ripens best. Reservations are required, and parties of two must order a bottle of wine; missing reservations can result in refused entry.