Fan Casting Ruka Sarashina in Kanojo Okarishimasu Japanese Live Action

A girl who is introduced as Kazuya's friend's girlfriend, who actually was also working as a rental girlfriend for another company. She wears a ribbon headband. She wants to date Kazuya for real after seeing how kindly and passionately he treats Chizuru and her. She has a health condition where she has a low heart rate that she monitors, and Kazuya is the first guy who elevated it.