The next-generation magic battle series has been upgraded to its fourth installment!! Monsters have appeared in Rokubongi Hills?! What awaits Misa and her companions, who rushed to respond to the request, is a complex building transformed into a gigantic trap. Are the enemies wizards? Or terrorists? When the code to resurrect the witch's legacy is activated, the skyscraper transforms into an inescapable otherworld (異世界). Trapped in a sealed space by the wizard Genie, Kaho resolves to fight back against the enemies using the only remaining handy-sized mini PC as her weapon….