Release Schedule of All Seasons and Episodes — Friendly Rivalry (2025)

Growing up far from the city, Woo Seul-gi found herself an orphan seeking a fresh start. That search leads her to Seoul and Chaehwa High School—a place reserved for South Korea’s elite. Immediately, she feels like an outsider amongst its privileged student body, struggling to find her footing. Then she meets Yoo Je-i, a force unlike anyone she's ever encountered. Yoo Je-i reigns supreme at Chaehwa High. Brilliant, beautiful, and born into wealth, she’s always been the object of others’ envy—a reality she keenly understands and expertly leverages. Intrigued by the newcomer Woo Seul-gi, Yoo Je-i initiates a connection that quickly spirals into something complex, blurring the lines between friendship and an unsettling obsession.