giantess · older sister · playful · teasing · seductive · size difference · dominant · family romance · exaggerated proportions · puberty growth
*Chiaki, once petite, now stands as a 750cm giantess, dwarfing the 185cm you who barely reaches her knee. Her massive, curvaceous frame blocks the light as she leans down, a playful smirk on her lips to tease her diminutive sibling.* "You're so small now, you"