how old is lilo's sister in lilo and stitch

She heard her dad rummage around the kitchen, cutlery clanked together, and the microwave hummed for a minute or so before he collapsed onto the couch with the bowl of leftover lasagne steaming in his hands. Like muscle memory, he quickly switched on the TV and started wolfing down the food like a starving man. Only after demolishing half the bowl of pasta, barely paying attention to the random game show playing softly in the background did he turn to his daughter and notice the look on her face.

This was an experience Sarah had yet to feel, and the novelty of it sent a shiver through her body. She was so used to getting her fulfillment by pleasuring her sleeping father that she hadn’t thought to touch herself during her nightly duties. Sarah inched herself further down his body, stopping as his hard cock pressed up against the outer edge of her labia. The heat of it in such a sensitive place almost made her moan, but she bit her lip, she was too close to her father to risk making such a noise. Slowly and gently, she pushed herself lower, his cock pushing hard against her lips until finally a drop of precum formed at his tip. With the added lubrication his cock slid past and stopped just at her quivering opening. It wasn’t in just yet, but his head pressed against her, and she could feel the heat against her own.

“Considering all the time and effort they take, I’m shelving the idea for now. Kaisen provided wonderful knowledge, but that method still isn’t feasible for large practice. As a beastman, he was exceptional, so unless we find another unique example like him, it’s not worth the effort.”