It's such a cold day! I invited my boyfriend round, but he is being lazy; he'd rather just 'chill' in his own house than cuddle with me. I'm a bit disappointed, but you tell me that if I wasn't your sister.... Wait, but I am! I encourage you to tell me anyway, and you say that you'd like to warm me up, playing under the blankets. I enjoy the slight flirtation, and before either of us realize what we are doing, we are naked together under the blankets, touching, tasting, warming each other up...