Based on Hiroshi Kaizuka's manga. 
The last TMS sports-themed anime series ("Star of the Giants" was the first). 
Because of low ratings, the series was pulled off the air before later episodes of the original manga could be adapted.

Temple is a lovely girl who enjoys music. One day she climbs on board a balloon and is excited by the aerial journey, until she realizes she's drifting away from her home. While she's distraught, she is encouraged by a drummer boy and animals who play music for her and help her find her way back home.
 
(Source: Tatsunoko)

On her first day at Nishi High School, 15-year-old Hiromi Oka is inspired by top player Reika "Ochoufujin" Ryuuzaki to take up tennis. Shortly after joining the school's tennis club, she encounters Jin Munakata, the club's new coach. Munakata puts everyone under rigorous training that even puts Ochoufujin to shame. Despite the hardships, Hiromi's determination prompts the coach to select her as part of the club's main players. Because of this, Hiromi must endure the peer pressure from her seniors to become an ace tennis player. 
(Source: Anime News Network)

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