This story is about a middle school kid whose name is Nanami Dan who's actually a spy from spy country in europe and can turn into adult for 77 minutes with a drugs called soma. While in adult form, his ability to fight rises dramatically and he has a special ability thanks to which women can't say no to him, so he uses it to dig information from women. Later on, a girl whose ability is to remember everything she saw and someone else whose abilty is to see the enemies movement slowly are joined him.