Nanako, a wife, is fed up with the losing streak of the Gotanda Hamsters, a weak amateur baseball team that her husband coaches. Unable to bear seeing the team slacking off, she starts a passionate Spartan training session! She teaches swing form by squeezing the buttocks and practices catching semen! In addition to penis practice, she teaches how to improve premature ejaculation batters, leading the team to victory! At the victory party, they celebrate with a squirting orgy! Nanako goes wild and cums like crazy after a grand slam semen home run!