[Crossover] Nana's Wardrobe

Tang Zena became a member of the Armed Detective Agency after taking over her cousin's position. But she never imagined she'd have to fight one day. Wasn't that the job of the armed operatives? What did it have to do with an office worker like her? Her outfit-changing ability shouldn't have any combat applications, should it? The enemy who got beaten to a pulp: ... This story can't be published as a paid work, but the author won't abandon it, either. So, dear readers, if you can, could you send some gifts like landmines? Also, please support the author's other story, Dazai Fumiya! Dazai Fumiya is a sixteen-year-old boy who perfectly inherited the best qualities of both his fathers. Even if you don't read it, adding it to your favorites would be wonderful. (*??╰╯`?)? Please~ Theme: The dream of millions of girls