An unsettling rumor is spreading through the mothers' badminton club. Beautiful, big-breasted moms have been gathering to relieve their sexual frustration with the young coach. Witnesses report them engaging in lewd affairs during practice breaks and luring the coach into secret shower sessions filled with moaning pleasure. Furthermore, the coach has been exposed for groping and sexual harassment. During private after-party celebrations, wild king games break out where everyone flashes their breasts, leading to intense threesomes and toilet sex right on the spot.