Sasayaki, the Soft Blue Twin of Nana Macne

Macne Nana: Hi, crossover lovers, this is Nana Macne here. I'm taking a break in my bedroom and I still wonder if Sasayaki-san is my sister. Is she part of my family?


 * I feel it's really incomplete
 * Does she really exist?
 * Have my parents made her when she was born?
 * Oh, I hope she's there without a twist