"You're interesting, I wonder what you taste like ♡"

Manmanka is the only daughter of a family of spies that has been around for generations. She is a young and talented spy, but her weakness is that she's terrible at honey traps! Her grandmother, the head of the family, has declared that "if things continue like this, I won't let her be the successor." She doesn't understand romance at all, but Manmanka is determined to master honey traps, even if it means losing her virginity, in order to inherit the family business. That's when a certain man appears...!?