1boy, armpits, arms_behind_head, arms_up, blush, brown_eyes, brown_hair, c_take0141, clenched_teeth, collarbone, grey_background, hair_over_one_eye, ikezawa_kazuma, looking_at_viewer, male_focus, nipples, parted_bangs, pectorals, shirt_tan, short_hair, simple_background, solo, steaming_body, summer_wars, sweat, tan, tanlines, teeth, topless_male, upper_body