I also found a shadow yukiko, not sure who made it.
http://www.mediafire.com/file/lmr54i0hslckhm1/Shadow_Yukiko_1_0.zip/file
(Edit: Nevermind, it's already on there. But this is a different link for when the link goes down)
(Ps: Solid Snivy reuploaded the SoA Naoto and placed it in the 1.1 folder on MEGA)
(P.s.s: Also found a english patch for kouya's adachi, here is the link: http://www.mediafire.com/file/5wxzgf61tvrzlk0/adachiENG.zip/file )