Lauren and Kristina are lying on the bed. The other girls are already gone. "Come here," Lauren pats the bed between her and Kristina. "Let me see your ass." "I thought you'd never ask," I tease as I crawl up between them and lie on my stomach. "It's not too bad," Lauren says as she leans over and inspects my cheeks. "Want some lotion on it to cool it down?" "Sure," I answer, wondering about all the attention from my sister. "I'm sorry I suggested the spanking," she says while squirting lotion onto her palm. That explains it; she's feeling guilty. "It's not your fault, Sis," I assure her. "I thought you were kidding, too." "Can I help?" Kristina asks from the other side of me. "Sure," Lauren says. "You do that cheek." Lauren squirts lotion on Kristina's palm and the two girls gentl

