I want to buy ｢EXIST!｣ early！←？ I love [Alexandros] very much！！ 簡単なやつしか書けません｡ﾟ(ﾟ´ω`ﾟ)ﾟ｡ 質問です！あってるかわかりませんが、、、 What was the most fun thing when you was making ｢EXIST!｣'s song？