1boy, 1girl, arms_behind_back, black_hair, braid, breasts, collarbone, game_cg, green_skirt, hair_between_eyes, hetero, indoors, leaning_forward, long_hair, long_sleeves, looking_at_another, medium_breasts, miyamura_karin, mizuno_sao, open_mouth, purple_eyes, purple_hair, sawayaka_samehada, shiiba_masashi, shirt, short_hair, short_sleeves, shouna_mitsuishi, skirt, uchi_wa_mou_enki_dekinai., unasaka_ryou, white_shirt