Harry is definitely not your average American teenager. Instead, he is the epitome of an "alienated youth"—friendless at school, extremely weird, and nervous to the point of paranoia. But a chance occurrence causes Harry to start to demonstrate what appear to be psychic powers—yet he neither believes in them nor consciously controls them. However, there are other ominous forces at work who do believe in Harry and attempt to make use of him in ways that are threatening and frightful. (Source: AniDB, edited)

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: ANN)

Three years has passed since the events of the first series. Hiromi continued training with her coach and became Japan's junior champion. Their common profits have also contributed to the coach being chosen as the first trainer of the Japanese Selection of Tennis and is arranged to head a trip with the youngest members of the team to USA. The relation between Hiromi and its trainer is narrower at personal level but it exceeds the teacher-student bond with great difficulty. (Source: AniDB)

Hiromi continues developing her tennis and shows the results while undergoing an emotional change into an adult. (Source: AniDB)