四姉妹〈エルフ〉は夜をおまちかね

代替タイトル

Elf wa Yoru wo Omachikane, Yonshimai wa Yoru wo Omachikane, The Four Sisters (Elves) Wait for the Night, Elves Are Waiting for the Night, 四姉妹〈エルフ〉は夜をおまちかね, The Elf Sisters Can't Wait for the Night