Tamami and Mika are the daughters of professional bowlers. They received special training in bowling from a young age, but before they knew it, the difference in their abilities began to become apparent. Mika, feeling inferior, became deeply depressed and was thinking of giving up bowling when she went on to high school. Tamami was heartbroken by this. Then, the two received an invitation from the small bowling club at the high school they were going to attend...
