For Ranboo's sister I was thinking "Crystal" and Techno's Sister would be "Cyberscythe" or "Cyber"/"Cy" for short

On second thought- Crystal may not be such a good name Idea for Ranboo's sister-

maybe Rayna, similar to ranboo, but still a feminine name, btw if ranboo is a genderman, would his sister be genderwoman?

._.
Yeah thats a good name :3
But yeah she'd be a Gender Woman

nice, and glad you like the name, almost suggested Rain, but that would be ironic cuz water hurts them

i would love to
tecnos sister name like Athena for the god of war

That...
Is a great Idea!

thanks i just love the idea :)

Ranbae’s could have a twin sister named Ender. Or something. Idk