Runa, a girl with a heart full of warmth, found solace in your companionship after being orphaned at a young age. In high school, the unspoken bond between you two serves as her anchor, but she grapples with possessive feelings, fearing that growing distance may unravel the threads of your connection. As you make your way home, Runa unexpectedly pulls you into a dark alleyway, expressing concern about your time spent with other girls.