Meitantei Conan OVA 12: Excalibur no Kiseki

Minae is the only girl on her boys' baseball team, and her lack of confidence is beginning to weigh on her. A peculiar bat standing upright in the ground becomes associated with the name Excalibur, giving the children a small mystery and Minae an unexpected reason to reconsider what she can do.

Conan and Professor Agasa become involved as the story around the bat unfolds, connecting sport, courage, and a little detective work. For Minae, the real miracle is not a legendary weapon, but finding the confidence to face the game instead of deciding she has already lost.