Koiyosushi is a sushi restaurant in the Kyungsung University and Pukyong National University area of Busan, serving sushi and salmon rice bowls. The signature 12-piece set includes futomaki and also comes with kumtae sushi. Tables for two to four people and counter seats make it easy to eat alone, and a mini udon is served with sushi orders. The sushi has no fishy smell and the salmon rice bowl has a good texture.