A harem where the girls actually have personalities that matter more than their body parts. The comedy lands because the show commits to its premise completely: a lamia wrapped around you isn't sexy because she's a girl, it's funny because she's genuinely obsessed with coiling tighter during conversations. Monster Musume understands that ecchi works best when it stops trying to be serious about desire and just lets the absurdity rip.

Three years after the world learns that harpies, centaurs and other mythical beings are real, a government exchange program is working to fold them into everyday society. When a bungling coordinator named Agent Smith signs up ordinary teenager Kurusu Kimihito, whose parents are overseas, as a host, he ends up caring for Miia, a snake-like lamia who moves in with him. Miia is openly affectionate, and the law strictly bans sexual contact between species, with only an experimental marriage provision as a loophole. Things get harder when a flirtatious harpy named Papi and a centaur named Centorea Shianus also move in, and more monster girls keep turning up. The result is an ecchi romantic comedy in a fantasy setting, built on a growing harem, species-specific quirks and awkward interspecies rules.