You can post feedback if you'd like. Someone will relay it to me. I'll be working with these two for a while. Best place to reach me is Youtube as always.
1.Sakura(Normal)+Karin(Normal) =
https://youtu.be/ACwG8WfwuyA?t=10m21s Move name is "Haru Shinbikaibyaku"
2.Karin(Normal)+Sakura(Normal) =
https://youtu.be/MXShGelOSy8?t=9m25s Move name is "Shinkuu Kououken"
3.Sakura(Dark)+Karin(Dark) = Shun Goku Satsu(Sakura style, flashing lights yada yada etc) Move name is "????"
4.Karin(Dark)+Sakura(Dark) = W.I.P. Move name is "???"
Will make a video once I've finished the last two