Otaku siblings Tamotsu and Niwaka Denkigai are purchasing in Akihabara when it’s overrun by vampiric cosplaying monsters! These creatures, often called “Bugged Ones,” can possess anybody they chunk and shortly they start inflicting mayhem throughout town. As Tamotsu finds himself on the mercy of certainly one of these creatures, he’s rescued by the mysterious baseball bat-wielding Matome Mayonaka. Collectively, they combat via a number of extra encounters with the Bugged Ones, however earlier than lengthy, Tamotsu is fatally wounded defending Matome. With no different alternative, she revives him as a excessive stage Bugged One—identical to her!
Tamotsu and Matome, together with excitable otaku cosplayer Arisa Ahokainen, make up the group “The Electrical Mayonnaise” and so they start dispatching the Bugged Ones in the one approach they know the way: by ripping off their garments and exposing them to daylight!