The Yin Yang twins

When I was watching Ninja Go, I wondered, what if Lloyd had an older sister called Harumi and her brother Lloyd? Cole, Zane, Kai, and Jay still find Lloyd but now there is one more ninja. You can just read on to find out more. Lloyd had always been a tag-along, so he had no choice but to go along when his identical twin Harumi unlocked the Serpentine to be like their father. I wonder how it turned out. He also has some anger management issues because he is a full-blooded dragon and Oni, but with his sister at his side, everything will be well. His blond hair can change to black, and his eyes can turn purple or crimson when he's furious. His eyes can also turn dazzling gold when he's experiencing any other powerful emotions. Sometimes his eyes and hair can turn green! Yes green but only when he is overpowering himself
P.S. This is season 1 and 2.
I don't own Ninjago