looking for new friends and places

Hello everyone, I'm asian dude who moved to Sofia year ago, for studying. I've not came out that much so basically I'm a noob with streets, cafe and nice places in Sofia. So any suggestions for a rookie like me ? Nice chilling cafe, pub ? interesting galleries, streets ? I'm a guy whos easy go-along with, and have plenty of free time atm, so jst give ideas and come together if you want