After her werewolf lover unexpectedly dies in an accident, a woman must find a way to raise the son and daughter that she had with him. However, their inheritance of their father's traits prove to be a challenge for her.
Takumi Harada is an extremely gifted baseball pitcher. Upon entering junior high school, Takumi moves to a town situated in the mountains due to his father's job transfer. There, he meets a new classmate Go Nagakura, a catcher who is able to get Takumi's most powerful pitches. Takumi and Go both join the school's baseball team where they develop a firm friendship and grow as individuals through their battery.