henmere almost 8 years ago TrinityVinland said: Who is the ghost on the bike? CJ's holographic human form. CJ, also known as Coa Junior, is an AI motorcycle used by Sakuya in Elu's NicoNico video series. Touhou GTA ~Izayoi Sakuya no Otsukai~ The certain episode: http://www.nicovideo.jp/watch/sm17388576 (15:05~) NicoNico Douga MyList: http://www.nicovideo.jp/mylist/15006204 Nicopedia article: http://dic.nicovideo.jp/id/4165466 Pixiv tag search: 十六夜咲夜の御使い