nii manabu, asamura yuuta, gimai seikatsu, official art, 3boys, anime coloring, back, brown shoes, closed mouth, collared shirt, dress shoes, from behind, from side, full body, green eyes, green shirt, grey pants, greyscale, hair between eyes, looking at viewer, monochrome, multiple boys, multiple views, pants, profile, school uniform, shirt, shoes, short hair, short sleeves, simple background, standing, t-shirt, transparent background, untucked shirt, white shirt