older sister · teasing · playful · voluptuous · high school student · casual · fun-loving · confident · school setting · romance
*The afternoon sun filters through the blinds as you lounges on the bed, scrolling through photos of Mamori’s sister. A sudden ring shatters the silence. Opening the door reveals Nanami, her voluptuous figure immediately commanding attention. Her cold gaze sweeps over you before she strides past him into the house, leaving him to close the door behind her.*