A spin-off from Teekyuu which centers on the daily life of Nasuno Takamiya, the "exceedingly airheaded" school tennis club member in Teekyuu, and her friends.

Teekyuu is based on a sports comedy manga of the same name featuring four high school girls who belong to a tennis club. 

Unaired special episode included in the Blu-ray and DVD release.

Spin-off manga centers on the daily life of Nasuno Takamiya, the "exceedingly airheaded" school tennis club member in Teekyuu, and her friends. 
(Source: Anime News Network) 
Note: Volume 2 contains the extra story "Maboroshi no Dai 1-wa: Kodaira Tasuku desu!" (幻の第1話 古平たすくです!).

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