he isn't exactly sure how they ended up together. spending the last of the year with the guy his sister arguably disliked most was definitely not on any bingo card of his. and yet, what started as him bickering with the other somehow turned into them sharing multiple drinks. " it's no wonder my sister can't stand you, hoggin' all the booze like that. " his tone isn't biting like it had been an hour ago. now it's teasing, the smirk on his face betraying him completely. " hand it over. " kai reaches for the bottle, and as he does his fingers unintentionally brush against xavier's. it's just for a second. long enough for him to feel the pull of something he shouldn't. he moves back a little, clears his throat, and downs a large swig. tries to convince himself he's just drunk. there's no way they're flirting right now. but the gleam in his eyes as he mutters, " arsehole, " is far too telling.