The Hedgehog Twins (Sonic the Hedgehog x Sister! OC)
13 parts Complete Twins, Sonic and Selina the Hedgehogs are born with extraordinary powers. Sonic was born with the power of Speed while Selina was born with the power of Magic. However, their extraordinary powers may attract the eyes of Greed.
After their Guardian sends them away to protect them, the twins enjoys their life in Earth but there's something missing in part of their life. Eventually, they encountered a local Sheriff named Tom Wachowski also known as "Donut Lord" by Sonic.
The trio forms an unlikely friendship and team until they met an evil genius scientist, Dr. Robotnik, who is determined to hunt down the Hedgehog twins. Now, it's up to Sonic and Selina to stop Robotnik, using their powers for good.