The Master's Mistress: Harlequin comics

Elizabeth is a university lecturer who was hired to catalog a private library at an esteemed mansion in Cornwall. But she's at a loss when the elderly master of the home passes away, even after contacting his relatives. Then one night, a mysterious man breaks into the mansion. Clothed all in black with a body to die for, he's just like the hero in one of her favorite romance novels! Elizabeth is charmed in an instant, but she regains her senses and attacks the intruder. But it only takes another moment for him to subdue her!