Critics almost universally agree that the plot is thin and character development is non-existent. Most episodes follow a repetitive cycle: Peter is seduced or blackmailed into a sexual encounter, feels immense guilt, and tries to hide it from Luvelia.

“It’s not supposed to be deep or even well written... definitely the show I looked most forward to every Friday.” Reddit · r/anime · 5 years ago Final Verdict

Peter Grill and the Philosopher's Time ( Peter Grill to Kenja no Jikan ) is a raunchy fantasy comedy that leans heavily into its roots . While it won't be winning any awards for deep storytelling, it has carved out a niche for fans who appreciate unapologetic, over-the-top fanservice and "so bad it’s good" humor. Plot & Premise

“Obviously, this is trash, and I will continue watching with great enthusiasm. This is a great season for awful anime.” Draggle's Anime Blog · 5 years ago

You're looking for strong character arcs, complex world-building, or a protagonist with actual willpower.