They have only one goal – to kill Honeko Akabane! One day, Arakuni Ibuki learns that his childhood friend, Honeko Akabane, is being targeted by assassins! Both of them are in Class 3-4 at Sosoji High School, and Ibuki is ordered to protect Akabane for one year. His goal is to ensure that she graduates safely, but he must do so without her realizing...