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)

Miki Takekasa is an introverted high schooler who does not socialize with her classmates. However, she wants to know what "fun" really is, waiting for someone who could help her understand its true meaning. One day after school, she crosses paths with her classmate Aya Takayashiki, who takes her on a little adventure. Miki discovers wonders she had never seen before, opening a way to change her withdrawn life. On their way home, Miki and Aya see their class representative Midori Oono entering Saikoro Club, a store specializing in board games. After trying out a German board game, Miki soon understands the kind of fun she had been looking for: playing various games after school along with the friends and acquaintances she makes from her newfound pleasure. [Written by MAL Rewrite]

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)