1girl, arm_up, blush, bra, breasts, brown_eyes, brown_hair, cleavage, closed_mouth, collarbone, collared_shirt, isshiki_iroha, looking_at_viewer, lying, medium_hair, no_pants, on_back, panties, partially_unbuttoned, pink_bra, pink_panties, red_ribbon, ribbon, school_uniform, shirt, short_sleeves, smile, sobu_high_school_uniform, solo, tongue, tongue_out, underwear, untied_ribbon, v, white_shirt, yahari_ore_no_seishun_lovecome_wa_machigatteiru., yoru_(77957792)