Here a 3 good examples that I rated from 4 to 3 stars which gets across the plot and smut without being waste of time. Our opinions may differ.
https://www.mangago.me/read-manga/how_to_get_rid_of_a_husband/
https://www.mangago.me/read-manga/do_or_die_quest_to_tame_the_big_bad_wolf_uncut/
https://www.mangago.me/read-manga/zombie_s_dick_is_a_bibibic/
not rlly you just came off as the type of person that calls an obvious smut book “no plot” / “trash” only because it doesn’t follow your story expectations. Like obviously the only plot is skin slapping. Its not like a fairytale where a lesson shall be learned at the end. I don’t disagree that the concept was sorta trashy but then again there realy was none to begin with. Just dicks and balls was really all I cared about.
Agree to disagree. As I pointed out to a previous commenter, where I linked 3 different stories, that were 4 chapters or less, that had smut in them, but still maintained a plot with the usage of smut so it could/can be done. It just wasn't done here.
And since we were after different things -- this is obviously your treasure and my trash. Although it is trash.

Interesting first couple of chapters, but then nothing but smut the rest of the way. No real plot development. Waste of my time.