Anime four girls in short skirts with musical instrumentsAnime four girls in short skirts with musical instruments
A musical group of four doors are sitting on the floor, two leaning on the windowsillA musical group of four doors are sitting on the floor, two leaning on the windowsill
A musical group of four people are standing huggingA musical group of four people are standing hugging
Число, цифра и количество 4.