男女比が崩壊し、国家に性欲管理をされるようになった近未来…。性欲違反者を捕まえ裁く射精執行官という役職が出来ていた。その執行官となって男を裁く「りえ」。極上ま〇こと凄テクで搾取していくが…ある日、逆恨みした男たちによって捕まってしまう…。射精執行官は男たちにわからせ（理解させ）られてしまうのだろうか…。

In a near future where the male-female ratio has collapsed and the state controls sexual desires, a position called "ejaculation enforcement officer" has been created to apprehend and judge those who violate sexual desires. Rie becomes one of these officers, judging men with her exquisite vagina and incredible techniques, but one day she is captured by men who hold a grudge against her… Will the ejaculation enforcement officer be made to understand (or be taught a lesson) by the men…?