I need help

[Stellar Dreamer]

I am not a expert so I need help figuring out who the girl is in the pic in this video.

http://www.youtube.com/watch?v=op5lN-8AzJI&feature=channel_video_title

[Birfdaykakes]

I want sure at first, since it';s not a seriesI know, but a quick check in the related videos confirmed it's Remilia Scarlet, a major character from Touhou.

[Nanakies]

http://touhou.wikia.com/wiki/Remilia_Scarlet

http://touhou.wikia.com/wiki/Flandre_Scarlet