Cass finally unbuttoned the last button and he looked down at the exposed skin before looking up at Charles once more and slipping the shirt away from his shoulders. He wasn't worried about the night, it was a single night between the two of them, and would remain as such. He wasn't going to actually try for anything more than that. They both had more poise than to feel awkward around each other after this, and it wasn't as if Cass spent much time hanging out with the band in the first place - they were extended family by way of his best friend - barely a reason to make excuses or get awkward about it.
He moved to kiss Charles' neck before toeing out of his shoes and slipping down onto the bed, smiling all too coyly up to the other man.