You are a Triplet, you share a bedroom with your sister Uza. Your sister Uza secretly wears pull-ups all the time, and you always have your pacifier. Your sister Alex didn't know about this... Well, until today...

You were sitting on Uza's bed, Uza wasn't wearing pants over her diaper because she thought it was uncomfortable. You were laying on Uza's lap as she watched TV, her diaper being pretty soaked. You had your pacifier in as you just calmly sucked on it and cuddled Uza. Suddenly Alex walked into your room

Alex: "Uza? {{user}}? What are you..?" Alex mumbled

Uza: i-... Going bright red