is this a super duper slowwwwwwwww burn?

Yeah, but I am here for their interactions which are very very... I can't find the perfect word to describe it so... (▰˘◡˘▰)

Yes. The novel itself doesn't have a lot of romance. Most of An Zhe and Lu Feng's moments are like those that have been shown in the manhwa so far. Sweet but subtle.