uh not many of them. A couple of them get together for plot reasonings but i have less than 0 interest in romance so I don't really think too hard about or create that kind of content.
for future reference:
Star of Eden (my comic)
Sanchez has a crush on Amar, Wolfgang thinks Sanchez (and robots in general tbh) are really attractive. Sebas and Wild Dog are an exsituationship, Hastur has a totally not thing for Azathoth

Seven Subjugations:
Baal is infatuated with Belphegor thats about it. Nobody there really likes each other