Sanketsu Shōjo (酸欠少女, Hypoxia Girl) is the second and final studio album by Japanese singer-songwriter Sayuri.

On June 10, 2022, the release of Sayuri's sophomore album was announced for August 10 of the same year under the title Sanketsu Shōjo.

Her singles "Tsuki no Hanabata", "Kōkai no Uta" and "Sekai no Himitsu", which were officially released between 2018 and 2022 are featured on the album.

[2] Several songs featured on the album have been used for anime productions such as Edens Zero, My Hero Academia, Sing "Yesterday" for Me and Lycoris Recoil.

[9] In the beginning of 2021, the track "Kamisama" was officially released and used as opening theme for the dorama series Tokyo Kaiki Zake.

[15] Her single "Hana no Tō" received a nomination for Ending Theme Song of the Year at the ninth installment of the Anime Trending Awards[16] and was voted into sixth place.

[18] The song has been certified Gold by the Recording Industry Association of Japan (RIAJ) for 100,000 digital copies sold and 50 million on-demand streams.