Sweetheart Cafe. Sweetheart Cafe, with a commitment to dedicating everything to serving customers, working with conscience and dignity, and prioritizing your satisfaction. Sweetheart Cafe, with a commitment to dedicating everything to serving customers, working with conscience and dignity, and prioritizing your satisfaction. We are dedicated to quality and friendly service, ensuring that you feel sweet at heart when you come here to enjoy our delicious food. Address: 臺南市北區北忠街58巷12號 Hours: 00:00–23:59 Tainan