"Hmm, I'm not the best as describing things but I guess you can consider YorHa as a militarized android organization created by humans who have fled to the moon. B units like me are meant for battle. Bringing down enemy opposition. The one who was sent before me, he was a scanner type or S unit. They handle scout and recon along with hacking. There are the operators and defenders but they are primarily designated to the bunker itself. As for who you look like. Apart form the clothes you bare an uncanny resemblance to units 2B and 9S. Though if I remember they are stationed elsewhere. I almost thought they went AWOL when I saw you two"