ah~ nope, it is not Tsugumi, in fact, I didn't think what character should I draw when I was working on this work, I was think to practice the color in the natural light, and make character separate from the background. well...I'm still working on it in another works.
Because that's probably one and the same person, or it's a bot. Just report them here [link], spammer reports are normally solved quite fast (compared to copyright infringements). By now they are on every deviation, not only on the very popular ones :/