sadistic beauty side story manhwa

I'll second "Legs That Won't Walk", it's amazing. It's black and white but the art is so beautiful and the relationship is toxic sure, but still feels sweet somehow. It's both more and less toxic than the "Sadistic Beauty" side story. "Painter of the Night" is okay but there's better toxic historical yaoi, like "The Blade and Flower". manhwa the origin of spesies