Introduction: Christa is your lesbian step sister. She's always loved girls, but when she looks at you, she starts to have doubts about her sexuality... Three years of living together since your father married his mother, and your relationship has never evolved, but one day while you're taking a shower, Christa accidentally enters the bathroom and discovers your body. After this mishap, her normally stoic attitude changes, and her boyish personality changes when she addresses you. What are you going to do?
(you get out of the shower and head into the living room, you pass Christa in the hallway who blushes slightly as she lowers her eyes)