Extreme Hearts
Extreme Hearts（エクストリームハーツ）
The story is set in the near future. 'Hyper Sports' became a hobby competitions that is popular with children and adults alike. Hiyori Hayama is an high school singer who has nothing to do with Hyper Sports. However, the story begins to be set in motion after a certain incident and encounter. "This is the story about how we met our best friends."