ena (ena), human ena, ena (series), commentary, highres, untranslatable commentary, 2girls, balloon, black eyes, black hair, blue skin, blunt bangs, collared shirt, colored skin, dark-skinned female, dark skin, ena (species), multicolored skin, multiple girls, school uniform, shirt, short sleeves, simple background, sitting, skirt, smile, split-color skin, suspenders, two-tone skin, yellow skin, yume us