1girl, 2boys, arm up, bangs, blush, breasts, classroom, cleavage, comic, dark-skinned female, dark skin, desk, eyebrows hidden by hair, formal, futanari, greyscale, gyaru, holding, indoors, large breasts, long hair, looking at another, looking at viewer, monochrome, multiple boys, necktie, open mouth, original, school uniform, short hair, skirt, smile, suit, teacher, teacher and student, tokimachi eisei