Backcourt

From Tapas:
David Suh was once known as a basketball genius, but now he works as an employee at a convenience store. One day he receives an unexpected visit from an old friend who offers him a position as a high school basketball coach. David accepts the offer thinking he would make a grand comeback on the court as the coach of a famous high school basketball team. However he soon finds out that he was seriously mistaken.

This is a story about a women’s basketball team that surpassed everyone’s expectation.

Original Webtoon
Official English Translation