>>79640067The "lewd" aspects of it are very tame all things considered, you've probably read vanilla doujins that are more raunchy
It's really that it's just shlock, really poorly written fap fuel for middle-aged women who haven't experienced an orgasm since they were 27
It's about a rich guy using his money and power to manipulated and coerce a plain jane into being his BDSM fuck-buddy, and the melodrama that spurs from that manipulation and their relationship being built upon that power imbalance