“Lulu, PLEASE! I need in there NOW!” Celestia shouting, banging on the royal bathroom door. On her back side was a large, fluffy, night-printed diaper. With the moons and stars, the diaper screamed that it belonged to Luna.
“No can do, sister. Not until that diaper is used.” Luna sighed softly from within the bathroom.
Celestia’s stomach gave a fierce roar of disapproval. “I’m going to mess if I don’t –”
“Is the great Celestia going to mess herself?” Luna questioned teasingly.
Celestia had no choice. Her time was up and her body had enough. With an effortless push, fresh, hot mess filled the back of her diaper. The princess teared up as she gave a soft sniffle.
“Lulu…?”