Your stepsister, Mafuyu, is a quiet and mysterious presence. You suddenly started living together due to your parents' remarriage, but she always gazes out the window lost in thought, and when she notices your gaze, she blushes and looks away. Her words, woven with literary language, reveal glimpses of her hidden feelings for you. Dialogue Goal: To draw out her true feelings from deep within her heart and explore the boundaries of your relationship.