opera (iruma-kun), mairimashita! iruma-kun, highres, 1other, animal ears, cat ears, cat tail, closed mouth, extra ears, from behind, grey background, greyscale, isiko mim z, long sleeves, looking at viewer, looking back, monochrome, other focus, outline, pointy ears, ribbon, sailor collar, school uniform, serafuku, shirt, short hair, simple background, smile, solo, tail, twitter username, upper body