A type of [[kogal]] taken to the extreme: [[school uniform]]s characterized by [[tied shirt|tied]] [[open shirt]]s (exposing not just the [[midriff]], but the chest as well, showing off the [[bra]]/[[bikini]] underneath), and a short-enough [[skirt]] that [[panties]] may be [[pantyshot|revealed]], emphasizing the wearer's body. Paired with these are accessories and make-up.

Referred to as "American School" (or Amesuku) style in Japanese, based on what the Japanese think American girls would wear in high school, bolstered by gravure and AVs featuring the attire (potentially inspired by the outfit Britney Spears wore in "...Baby One More Time"). 

h4. External links
* Pixpedia: "アメスク":https://dic.pixiv.net/a/%E3%82%A2%E3%83%A1%E3%82%B9%E3%82%AF
アメスク アメリカンスクール