I already posted this on the FB page, but last week I was in the Insadong area and passed by this brand new Maoz Vegetarian location! Maoz finally in Korea! I haven't tried it yet, but from what I've heard, it's pretty Koreanized... Anyway, check out their website for more info. I think there are several other locations set to open in Seoul soon, which is pretty exciting!
Directions to Maoz by Insadong: Anguk station, Line 3, Exit 6. Walk straight and pass the entrance to Insadong road. Cross the street and Maoz is on the corner.