Top is the monster.
He turns into a human half-way through, though.
Just... A lot of folks. It's really gory, but the story is also hella good so here we are.
Top is a monster.
Haji is a godsend.
Bottom is a monster.
This is actually a really good story, one that I can't forget. It's got graphic violence, by the way; this is a full-blown horror manga.
Top is a monster (1st story).
This is diet monster, though since he still looks pretty human? Either way, it's a good time.
Top is a monster.
It's unfinished, but I'm into it so far!
Top is the monster.
Well, he's a mermaid. But he has tentacles! And has sex in his mermaid form. So.
All the tops are monsters. It's great. 10/10, thank you.
Top is a monster. It's weirdly a father-son thing? They're not related but that's probably something you should know.
Top is a monster. It feels like something from myreadingmanga, but, like, is this a bad thing?
The Pressure of an Evil Spirit, Sweetly Dripping