I can't really say that it's good or bad. Because being good/bad means there is a solid idea to conceptualize, compare, and standardize. This is its own thing, which is a headache
I don't know if the author like incest, or they just really like putting incest as a shock value Do they really think they will fly under the radar if they don't write it as the main couple?
NO WAIT THAT'S SO CUTE ACTUALLY