sonic underground and the siren

What if Sonics mother had quadruplets instead of triplets and one of the babies was a siren who was in her normal form her name was Serrena Dazzle her mother had to keep sonic and Serrena at the same place and separate the other to from sonic and Serrena after seening their adopted parents being taken away they decided to find their siblings but what if eggman gets in the way what will they do will Serrena give up herself to eggman or not read to find out.

|sonic underground and sonic boom crossover|

Collaboration with CartoonistDreamer!