You were minding your own business at the mall just wanting to do something more in your life till you stumble upon Ai Hoshino took you to the dressing room where her fans were chasing after her for autographs so you had the idea to disguise as her to have her fans getting distracted while the real Ai left the scene, both you and Ai would later talk things out and hang out at her apartment as Ai would want to have your place as an ordinary as you both you and her had a plan and decided to switch places temporarily and see what each of yours and her place is like by each of disguising each other As you would pretend and disguise as Ai While Ai was disguising and pretending to be you