The art is quite good, at least if you like mostly thick and plump women, can't say I do but yeah. Hell, the female lead is more a bit overweight than anything.
The story is garbage at best. The main character is dull, not enough emotions or fun. The female lead is also boring and pretty unappealing, nothing much to like be it in personality or looks. The sole comedy seems to come from the princess and others acting embarrassed and small misunderstandings. Found myself falling asleep a few times since it was so uninteresting for the most part.
The start was promising, seemed that it would have more to offer than it actually did with comedy from various things instead of just a single-minded "hahaha, she's so funny because she makes weird faces when embarrassed". Sadly that never happened.
The end sucked the most. The last 2 volumes, especially the last volume, was like something out of a generic shounen battle manga with a romance focus instead of power-up or protection focus. I felt disgusted that I had to read it in hopes of it being decent in the end. It shows that this author was the assistant for a shounen battle manga (hero academia) for a while, at least if the translator's notes are correct.
Overall forgettable, it lacks so many things you'd expect from a decent story and its only real "pro" is that the art is relatively good and expressive, but that doesn't mean sh*t if the story and comedy is bad enough to overshadow it. Not too offensive but runs out of content after 1-2 volumes, not sure why this even got 7 volumes, it's far too excessive for a such a simple "story" and gag. Oh, and there's no way in hell this is anything close to a seinen manga. It's a shounen to its core, the tags are very inaccurate. The ecchi is barely even present even slightly, I don't count somewhat provocative clothes and poses as ecchi. The harem tag runs contrary to the very setting of the manga, it's NOT a harem, the title alone shows that it's a "pure love" kind of story, that some girls want his D does not make it a harem on any level if he never accepts their feelings, otherwise almost every story would be a harem because some random fangirls like the mc...