Understanding っていうんじゃ > …… DEM **** Context: , a girl and a , was fighting a war with an evil company called DEM to prevent the company from killing . was going to help because she wanted protect too. Could you please explain why there is a before ? What is this usage? I know is a fixed grammar construction meaning “if”. But I would use .

This is basically just , but it has a nuance here. With explanatory-no, is often used to add a "this is unexpected/surprising/unwanted" kind of mood ("to my surprise", "even", "really", "!", etc). You have asked about this before:

* What does mean here?
* Is similar to "in addition"? Or it is "they said"?