2boys, abs, belt, blonde_hair, blush, bra, clothes_lift, crossdressing, cupless_bra, grey_pants, kimetsu_no_yaiba, lying, male_focus, marotoskin, multicolored_hair, multiple_boys, muscular, muscular_male, navel, nipples, on_back, on_bed, pants, pectorals, rengoku_kyoujurou, shirt_lift, smile, solo_focus, stomach, sweatdrop, thick_eyebrows, two-tone_hair, underwear, white_bra, yaoi