![2boys 2girls ;d absurdres anus assam_(girls_und_panzer) between_breasts black_bow black_legwear black_neckwear blonde_hair blue_eyes blue_footwear blue_skirt blue_sweater bow braid breasts censored closed_eyes clothed_female_nude_male clothes_lift comic dress_shirt girl_on_top girls_und_panzer hair_bow hair_ornament head_tilt hetero highres kamogawa_tanuki leg_lift loafers long_hair lying miniskirt mosaic_censoring multiple_boys multiple_girls necktie necktie_between_breasts nipples nude on_back one_eye_closed open_clothes open_mouth open_shirt orange_hair orange_pekoe_(girls_und_panzer) panties panty_pull pantyhose pantyhose_pull penis pink_panties pleated_skirt pussy school_uniform sex shiny shiny_hair shirt shoes short_hair skirt small_breasts smile speech_bubble st._gloriana's_school_uniform sweater sweater_lift unbuttoned unbuttoned_shirt underwear vaginal white_shirt rating:e score:14 post #3896103](/cdn_image/preview/6c/12/6c12c8e500406dfbea4a0e5452937daa.jpg)
A shirt or blouse that has been unbuttoned and left hanging open.
Another possibility is that the shirt has been unbuttoned only in one particular part of the shirt/blouse, e.g. to see the breasts of a girl.
The following tags are aliased to this tag: /os, openshirt, and shirt_open (learn more).
This tag implicates open_clothes (learn more).