![](https://cdn.animecharacters.io/images/characters/large/67350-75a45c47.jpg)
Nina Klein (ニーナ・クライン)
Inko's best friend who is also in Inaho's class. She comes from the same country as Calm that was severely affected by Heaven's Fall. Nina is usually a cheerful girl, who seems to be relatively simple. She likes wearing pretty clothes, even exchanging her school uniform for Princess Asseylum's dress.