her attitude won't last 1 full chapter, she used to like dragon tamers when she was a kid because of a book where dragon and humans lived in harmony, but the old dragon tamer abused a dragon pretty badly and she started to hate tamers, MC and his dragons start to work together and have fun, the dragon that was abused join the MC crew and socialize with the other dragons and MC, she remembers the book about dragons and humans living together, and stop being a hater
...there may be some errors since I can't read Japanese to understand the dialogs, but is probably something Close based on the images