Thread:Destiny Shin/@comment-24440576-20170227060152/@comment-5238398-20170227131729

(Wikia ate my lengthy reply...) Basically, they are not even in the cast list, only saw them being refered as "enemy brothers" by some blogger. Also title is 仮面ライダー鎧武/ガイム スペシャルイベント 百花繚乱戦国絵巻, if that's needed.