Isin is a vegan restaurant in Hongdae that serves pizza and pasta. Its menu includes bam pizza, punggi pizza, and jeyuk gochujang pasta, and the pizzas are baked in a wood-fired oven. The ceiling is high, the tables are spaced far apart, and there is group seating, so it is comfortable for several people to sit together. Lemon tiramisu and coffee can be ordered for dessert.