Haruka, who has been trained by her husband to be a submissive (M) woman specializing in servitude, finds herself suddenly commanded to have sex with other men while serving her husband as usual. Following her husband's orders, she attends to men she met on a dating site, serving them thoroughly. Even after they ejaculate, she persists, urging them to feel even better and offering to do anything. The men are driven to masochism by Haruka's meticulous and relentless service, being emptied of their semen completely. The question remains: can their penises withstand this innocent woman's relentless servitude? Note: The content may vary depending on the distribution method.