[He doesn't knock on the door to their room once he gets there - why should he? He's got a key, and it's just the two of them. Knowing Sion, he's probably keeping himself busy with work as usual, so he'll hear the key turn and know he's back immediately.
Of course, what greets Ryner instead when he gets back is the scene of his best friend completely sound asleep, to which the mage is... unsure how to react, actually. Should he leave him asleep, since he obviously needs it, and encourage this behavior in the future? Should he wake him up now and scold him for pushing himself so hard that he's exhausted himself so much? Should he draw on his face and tease him relentlessly later?
Action
Of course, what greets Ryner instead when he gets back is the scene of his best friend completely sound asleep, to which the mage is... unsure how to react, actually. Should he leave him asleep, since he obviously needs it, and encourage this behavior in the future? Should he wake him up now and scold him for pushing himself so hard that he's exhausted himself so much? Should he draw on his face and tease him relentlessly later?
Oh so many options.]