In a nutshell the novel and manga is:
Light reading only. Plot is somewhat decent (not "meh" but almost "so-so"), the art is okay , hopefully they won't add "ecchi" in the long run just to get readers.
Though Yuri's ending is damn good one (or bad in her pov), I still think she (and probably her whole family) dodges a bullet since it could be way more devastating. IF Jiho appeared from the bottom of the stairs and broke Dan-i's fall as she was pushed by Yuri, I do think it would be the end of...