Talk:Shiro/@comment-213.93.173.86-20150102152826/@comment-26233428-20150210214812

If you're brother and sister, as long as you are not exactly connected by blood....incest apparently okay. With that in mind, and coupled with Shiro's brother complex, those two getting together are about the same as if they weren't brother and sister, about 50/50, maybe 60/40