When Kondo wakes up in the middle of the night, Harada is nowhere to be seen! Did Harada escape from the National Defense Academy? ! Does that mean that you have escaped the fence? !

Kondo desperately searches for Harada, who has disappeared, and discovers Harada sitting alone in his thoughts. Kondo desperately persuades Harada. Meanwhile, Sakaki, a demon senior, comes... What is Harada's answer? !

And what is their future when something begins to change little by little in the harsh days of the National Defense Academy!? ?