"Suave" is a take-out specialty store in Hongdae that serves homemade macarons, pudding, and caramels. The word "suave" means sweet and sound in French, which hits off well with the shop.
You cannot enjoy these sweets in the shop, however, you can take them away and as a present in an ice pack. Recommended sweets are Black tea caramel and fig flavor caramel macaron.