I don't think that'll keep them all warm. They would need to be generating their own heat for anything to stick.
[Since he's given himself more time, Vani shifts onto his side and lazily drapes his arms around Karkat, making himself comfortable enough for a very short nap.]
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[Since he's given himself more time, Vani shifts onto his side and lazily drapes his arms around Karkat, making himself comfortable enough for a very short nap.]