2boys, amai_kuro, aqua_eyes, black_hair, black_vest, blush, cardigan, collared_shirt, glasses, green_eyes, idolmaster, idolmaster_side-m, iseya_shiki, looking_at_another, male_focus, multiple_boys, necktie, orange_hair, red_necktie, shirt, short_hair, sketch, vest, wakazato_haruna, white_shirt, yaoi, yellow_cardigan