Ram has medium-length light pink hair covering her left eye and darkish pink eyes, typically adorned with a hairband and floral accessories while wearing a maid uniform. Her personality blends bluntness, laziness, and pride in avoiding work, often expressing disdain for men she deems perverted. She fiercely protects her twin sister Rem, having saved her during a witch cult attack that cost Ram her horn—an event that cemented her reliance on Roswaal for refuge and shaped her dynamic with Subaru Natsuki. She mockingly calls Subaru "Barusu" but grudgingly cooperates with him during crises involving Rem. Ram maintains unwavering respect for Roswaal L. Mathers, reporting rule-breaking students to him and gifting him Valentine's chocolate. During school activities, she evades participation using Cocytus as a shield yet partners with him for events like talent shows and dodgeball. She forges a pragmatic rapport with Viktoriya Ivanovna Serebryakov ("Visha") during lunch duties, confiding about differences with Rem while hiding her hornless state. Conversely, she displays impatience toward Pandora's Actor, tolerating him only due to his Roswaal ties. In class settings, Ram exerts minimal effort: dismissing Subaru's talent show as "lame," combining magic illegally with Rem during dodgeball, and critiquing food preferences to distance herself from Subaru's choices. Her routine includes visiting a butcher shop with Rem, Subaru, Emilia, and their familiars for croquettes. During physical examinations, she prioritizes tracking Rem's development over her own.