When the two of them went to bed, Zoe picked away at her story for a bit, stripped down to just panties and a loose t-shirt, then spent a while contemplating her empty bed without actually climbing in. She shook her head and padded over to Vi's room instead.

"'M tryin' to sleep," Vi mumbled as Zoe sneaked in.

"I know," Zoe said. She slipped under the covers next to her big sis.

"I'm naked," Vi warned.

"That's cool."

"... fine."

Vi went quiet, presumably letting Zoe stay. Zoe smiled and lay as still as she could, enjoying the warmth of a shared bed. A few moments later, unexpectedly, Vi...