Crazy ends. Crazier Beginnings. (OC's x Cannon Characters)

The light. The shadow. Always enemies. That's not true. The proof?
Two living sisters who are haunted with their past
Luna, the eldest. The shadow, the night, the Yin.
Sol, the youngest. The light, the day, the Yang.
They didn't know what the universe had in store for them, since the beginning.
Their own family died, things happened. The end.
The new beginning, being adopted by him
They didn't expect to have a new crazy family who wears spandex and fights crime in the night dressed as birds and bats.
They didn't expect it..or anything like this.