A) Thank you, really!<3 B) That wig is, in fact, horrible! I bought it 4 years ago and it's very poor quality, I didn't remember the ebay customer sorry >3< C) The most difficult part was the dress' trim which is made with wool and the same fabric as the dress. The mutie symbol is made of foamy.
I just take a similar dress to copy the pattern. I used elastic fabrics so it was easy because the dress adapted to my body. The dress has two pieces, the main dress and the top part, I sewed the top part at the main dress and that's all, I don't know what else I could explain ;w;