Former volleyball club ace Koyuki-sama, who caused a huge stir with "Human Sandbag 21," appears in this production. She recruited men on social media willing to take on a "slap endurance" challenge, and three challengers gathered to face her intense slaps and strikes. Starting with the slap endurance test, the first, second, and third challengers take turns, but they are gradually driven into a corner by Koyuki-sama's overwhelming slaps. While some challengers reach their limit in about three minutes, one manages to endure for nearly six minutes but is unable to move for a while afterward. The slap endurance becomes so brutal that it exceeds imagination, leading to a filming interruption of about 60 minutes. No challenger makes it to the end, and all three are defeated by Koyuki-sama's fierce slaps. Still, the challengers who endured this far put up a heroic fight, making for a grueling content.
But it doesn't end with the slap endurance. Changing from her volleyball club outfit into an office lady costume, the striking section begins. The highlight is watching her beat the men down one after another with punches to the gut, kicks, stomps, and chokes. The complete version chronologically records each of the three challengers' slap endurance and striking scenes. Additionally, this time, in addition to the fixed camera, moving camera footage is included, allowing viewers to enjoy a more immersive experience. Enjoy Koyuki-sama's overwhelming domination until the end. The scene content includes slap endurance, gut punches, knee strikes, kicks, stomps, and chokes.