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...
How dumb is the kid? If your boss is kneeling to a complete stranger that would mean the stranger has a higher hierarchy than your boss, and he STILL ask for reasons when the boss told, TOLD, him to apologize? The family better have a third or more children, because at least 2 of them are trash.