Can someone help me find this please doujin, tried looking for it and asking the internet

It's about a guy who saves a girl from getting gangbanged in a park, turns out she's an old childhood friend. They go back to a love hotel and reveals she's a succubus/demon girl. Towards the last panel she's laying on the bed and he goes to the bathroom it the shows her succubus tattoo/crotch tattoo leave