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My first reaction to this pic is that it has a neat fairy-tale feel. It combines some tenderness and heroism with the whole bridal-style carrying.
As for the characters’ designs, I like design and shapes of their faces. They have finally chiselled features that are a joy to behold, though it would have been nice to see them facing each other’s gaze. The wings are nicely done, especially with the sheer detail on shading the individual feathers.
The guy’s curls’ tight shape makes them look a little too solid for hair, but the girl’s hair is better.
I really like the many neat details on their outfits. The combination and black and red and black and green are nice, and I like the gemstones (onyxes or black opals?), the girl’s belt-ring, and the pouches they have around the necks are an interesting detail that brings the little containers that Japanese used to carry herbal medicines in the old days.
The guy’s collar brings service to mind, like he is a knight or servant of a sort who serves a greater cause (or at least used to, depending on how things have gone for him, since he is a fallen angel).
The jewel in the girl’s hand is nice, and the vegetation in the background, while perhaps not too detailed, does add to the pic as a whole.