Three Finger Piano Demon

In this mysterious world of superpowers. All sorts of strange things. Everything. And all his talents lie in the understanding of music and the playing of musical instruments. He is classified as a "sound demon" Because he is very difficult to deal with. Use an electric guitar for every battle. That's why people in the supernatural world call him the "Three-fingered Piano Demon" Of course he is not disabled. It's just that there are no enemies that require all four fingers to be dealt with. They are a pair of twins with extraordinary talents who have not yet awakened. Maybe it's God's arrangement. Maybe it's the goddess of fate whose thighs leak too much. Their fate was changed by a piece of wood.