The color pallet is spot on. the linework is well done. composition is good. I'm a fan of the lights in the far background, it's a nice touch. the detailing on her clothing is pretty accurate.
The perspective is a bit off. the background is as if you're looking down towards the ground, while twintelle herself is placed as if your looking up at her.
Not enough contrast in the lighting, it's best to have five tones of light and dark, i only count three. adding another level of dark and another level of light would really help the piece pop out. On the topic of lighting, my next criticism is that while the lighting is mostly inconsistent, and its unclear where the light source is. the poles in the background and the pigtails suggest that the light is directly behind twintelle, while the lighting on her ass and head and arm suggest that its coming from directly on her on the right. despite all of this, there are clearly also lights coming from right in front of her.
and a slight nit pick, the highlight on her ass is too close to the dark, it should be a little more to the right, away from the dark.
The lighting is the main issue with this piece and i feel that if you improve it in future pieces you could make some real good shit.
(also min min's ass is bigger take that in to consideration when looking for what to draw next)
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