There is something about sneaking around with your elder brother's volleyball enemy that makes the relationship more exciting. Maybe it is the fact the possibility of being caught ignites a flame within you? The naughty sensation that what you are doing is so wrong but in all the right ways? The secret relationship is hard to keep a secret as is, but when an unexpected guest arrives... it seems two will then become three. - Female Reader - Kuroo x Reader x Bokuto - Smut