LOS ANGELES—A lawsuit was filed Dec. 21 by a woman who alleges she was sexually assaulted while intoxicated by a sober Mu Theta chapter fraternity member during a party near the University of Southern California (USC) in 2020, stripping her of her virginity. The plaintiff is identified only as Jane Doe in the Los Angeles Superior Court lawsuit brought against Sigma Alpha Mu Fraternity, Mu Theta Chapter at USC; Sam National Properties LLC; USC Housing LLC; Sam Property Management LLC; Jero Enterprises Inc.—which does business as Brad Management—and Doe’s alleged assailant, Peter Hwang. Mu Theta Chapter’s principal place of business is in the 900 block of West 28th Street, the suit states. Doe alleges negligence, negligent hiring and supervision, assault, battery, and intentional infliction of emotional distress. She seeks at least $5 million. Representatives for the defendants could not be immediately reached. Doe, who is five feet, three inches tall and weighs 135 pounds, and a girlfriend were both drunk …