Meet Addler Westbrook, a boy who has moved schools from Kearsley, Manchester to Harpur in London. The day that he unpacks to furnish his new house, is when he meets Layla. It's even better that they soon become best friends!

To accommodate the girls' successful collaboration with ISETAN, I create this story with a twist. In Shinjuku at 2 am, the girls are walking to the bus stop to return to their hotel to rest from a day out together. Who knew why they would be out so late. However, a clothing department store; ISETAN, is underway of releasing a new line of clothes, featuring the girls modeling some of the new upcoming clothes. Mysteriously, the new window display takes it to the "Other Side" and sends the girls into a quest.

In the world where politicians take control, assassins were born to assassinate evil politicians who killed their parents or destroyed their peaceful lives. Things started to change when an ordinary girl with a mysterious background joins the assassin group. The captain whom is normally cold as ice started warming up and smiling more often. How will their relationship progress?