Board Thread:Speculation House/@comment-24.247.91.107-20140511154823/@comment-10390252-20140803205719

ChishioKunrin wrote: "My parents taught us  to help others, so I thought 'Hmm, might as well make a career out of it,' you know?" Empahsis added. So, that means that Ruby's parents taught Ruby and Yang to help others. That strongly implies that Summer was involved in Yang's upbringing to some extent.