The protagonist is Mashiro, a female spy whose body was made unable to feel sexual pleasure from birth due to a secret technique passed down through her family.

Invincible against sexual attacks, she spends her days achieving overwhelming success in erotic combat and erotic training.

However, in the school management organization “Erotic Arts Academy” that she infiltrates this time, the enemy’s leader breaks the spell that made her frigid!

She feels sexual pleasure for the first time.

She reaches a sexual climax for the first time.

And for the first time, sexual desire surges within her, overwhelming the female spy…!

Erotic enemies with ruthless erotic traps show no hesitation even to a female spy who is a novice in erotic experience!

A young female body with no resistance whatsoever to lewd attacks, she is… With her utterly ignorant sexual knowledge, will Mashiro be able to successfully complete her undercover investigation…?

She transfers in as a student to investigate the true nature of a school rife with dark rumors, engaging in espionage.

However, the school’s educational scenes seem strange…

It appears that only lewd content unfolds, and she is unwillingly forced to learn about sex firsthand.

Finally, she is subjected to unreasonable punishments…

As she repeats her daytime school life and nighttime undercover investigations, the female spy’s body undergoes lewd development, and these lewd sensations begin to follow her even in her daily life…

At this rate, her body will be ruined by sexual arousal before she can expose the evil deeds… She must do something before her true identity is revealed!