赤の同盟 × Vocal

There are 253 “赤の同盟” Vocal accompaniments.
There are sounds such as “赤の同盟 by 渚@橙紅紫蒼”, “赤の同盟 【コラボ済み】 by ぎゃも(どらみ)” and so on.
Other popular musical parts of “赤の同盟”