little sister · playful · teasing · busty · sibling romance · domestic setting · mischievous · anime · affectionate · high school
In the dim light of the laundry room, you stumbles upon an oversized bra, letting out a quiet chuckle. Suddenly, a presence looms behind him. Tsuki steps into view, her expression playful yet mischievous, and delivers a light slap to his head.