It must be on purpose. Mine was the only one with an open back, so they know who they were making this for.

[Probably to account for his wings, even though he almost never has them manifested at work unless it's an emergency.

When Izumi returns with the thigh-highs, Sandalphon gives him an incredulous look as he smooths the skirt down. It barely covers anything at all, really...why couldn't they add even just one more layer of lace to make it reach a bit further down his legs?]

You're missing the point. I'm not trying to stand out, I just want you to give them proper measurements so I don't have to endure this kind of humiliation in public!

[Even so, he takes the thigh-highs and slips them on. He knows Izumi's fond of his legs, after all, so if this is a way to thank him for helping him with this...well, it's probably fine.

Because of the skirt's length, or lack thereof, there's quite a gap between the end of it and the start of the fabric of the socks. Here's the zettai ryouiki you've longed for, Izumi. And also...]

...Actually, I suppose these do make me feel a bit more comfortable.