Felicia observed Kate from afar.
Direct approach was out of the question; she'd never trick Kate into taking laxatives, and if she did, Kate would know who to blame when she messed herself. What she needed was a lunch box...a little snack, or even better a water bottle or something to dissolve these in...
Felicia payed special attention to Kate's hand to learn her locker number. She'd keep out of Kate's sight until the ball got rolling.
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