1boy, androgynous, arms_behind_back, black_hair, blue_background, blunt_bangs, border, bulge, covered_navel, covered_nipples, looking_at_viewer, male_focus, mawster_yowda, medium_hair, nipples, otoko_no_ko, parted_lips, purple_eyes, shadow, simple_background, suzushiro_hatsuka, yofukashi_no_uta