I don't know if Manabe was inspired by basketball. I'm sure Manabe said "digs and assists" together. It's one of 5 goals he set to improve Japan team.
He clearly is inspired by the basketball team Japan Women's NT 2022
QuoteIn the women's basketball team at the Tokyo Olympics, Rui Machida led Japan to the silver medal by becoming the top assister with a new Olympic record of 18 assists in a single game in the semi-finals. Will there be another player like Machida to support the team's breakthrough? "Although it will not be an official record," said Manabe