Accepted in a training school for secret agents although he has not submitted any application for registration, Eight Akashi continues to study there to become an agent! While he was novice at his entrance, the many missions have made him evolve. The new challenge of Delta 3 team is to infiltrate a high school. As this is their second mission of this kind, they feel more comfortable and less nervous. However, an unexpected event is happening! They fall on Lulus who is in the same high school at the request of Dogra Magra! Ayame is ready to consider her as an enemy and to confront her, but Lulus' reaction is... For his part, Eight is acquainted with a pupil named Eini Erinashi, but...the story takes an unexpected turn?!! Contains chapters 129 to ...