Anzu works at a maid café where deepthroat is the norm. She takes her job seriously, but she's a total failure as a maid. Unable to refuse, she started doing irrumatio fellatio and quickly gags. Nevertheless, Anzu still swallows the penis deep into her throat and serves her master today. Desperately performing irrumatio service, Anzu gradually awakens to the pleasure of being penetrated deeply in her throat, becoming so addicted to irrumatio that she even masturbates during sex.