[When a good amount of time (as in, an amount of time Sebastian would never, ever let elapse once Ciel's called him to his side) has gone by, Ciel starts to feel a prickling of concern. The only time in recent memory when he's called and called Sebastian and the demon hasn't come...well, He'd been slain by an angel. So Ciel doesn't make the summon an order, because if he does and Sebastian doesn't come...]