Honestly this a bit of and odd one, the start and premise of the story makes it appear like it is going to be a smut story with a lot of s*xual content but instead there is next to none and mostly it's just about women drooling over or teasing the MC while he tries to hide his erection.
The setting is a reversal world where all the guys are weak femboys with feminine looks and clothings while the MC was raised by a heretical woman (his mom) because she refused to have other children since she loved the dad and thus decided to raise the MC to be the lord. This somehow made him turn into a hulk of a man and the only male knight + lord in the kingdom but because he's a man or cause he's the MC he's the strongest.
MC while strong is also a h**ny monkey that get's an erection all the time with a heavy fetish for big b**bs while also being a sort of weak willed beta otaku virg*n who is heavily influenced by his previous beta JP virg*n life. He's also showcased as not very intelligent but then goes all sherlock all of a sudden.
All in all there are quite a few contradictions but a lot of it seemingly stems from the fact that because he was a JP in his previous life he is all about being filial to his mother which means that he has to keep his family name, lordship and land but because he's a low ranked noble he needs someone to marry into his family or someone of a lower rank as his wife. Now here comes the crux and sort of center of the story from the start of the story we are told that the Queen, the crown princess and the duchess who is 3rd in line to the throne (or actually 2nd) all want to marry the MC but because they know he holds such an importance on his title and territory they know they can't make him their husband since they are so far above him in nobility that he would marry into their family and his own would be absorbed into theirs (or well they can easily force the MC to marry him but they don't wanna make him sad) because of this they all gang together to make him their lover however to do that they need to get the okey from the MC's future wife.
Thus the MC who is always h**ny and loves big b**bs who all three have wants to quickly get married but is unable to because the kingdoms three most powerful women are controlling the MC from behind the scene. At the same time the MC is the advisor of the incompetent 2nd princess who is a 14 year old loli.
Spoiler
Eventually to make their plan of becoming the MC's lover they sort of force the MC to become engaged and eventually marry the 2nd princess since they think she's easy to control while the MC is very much against this since the 2nd princess is a flat chested loli and not someone he loves and only respects. He doesn't have much of a choice, however this sort of backfires since even though the MC knows this is a world with polygamy because of the lack of men and was raised in this world for over 20 years his thinking is still like a man from JP. So when for instance the crown princess tries to become his lover and sleep with him he declines because he has to be loyal to his fiancee. He also can't sleep with his fiancee because she is a tiny loli at barely 140 cm while he is close to 200 cm with a horse D over 25 cm so he would destroy her.
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This is pretty much the focus for the first 50 or so chapters and still ongoing by ch 200 though some progress is made but a lot of focus is around the fact that the MC wants to get laid but stays a virg*n because of different reasons like him not being able to get married because of interference, eventually getting a loli fiancee who he can't marry because his D is to big for her (he has to sleep with her when they get married), refusing to get a lover because he's loyal to his fiancee and sort of against polygamy and so on.
Outside of that it's a decent story focused around a matriarichal world with a bit of fighting and intrigues. All in all it feels like a bit of a parody story on beta male protagonist where the MC is a super popular macho knight (not knowing he's popular) with women throwing themselves at him left and right but for whatever reason they are declined while the MC has a raging boner most of the time and forces to wear a chasity belt to hide his erection wanting to push down any woman with big b**bs but because he's a beta through and through inside he can't act on it and instead just stay's a virg*n forever.
In the end it's a decent story thats probably around a 3.5 but I'll give it a 4 just because outside of the constant c*ckblocking this is a decent read.