Plannosaurus: Serious Paleontology Club

Kanna, a second-year middle school student aspiring to be an idol, goes to the paleontology club to complain about noise. There, she is forcibly challenged to a quiz competition by Tetori, a paleontology enthusiast, with her club membership as the stake! Did Tyrannosaurus Rex stand upright like that monster? Or did it have feathers? What are the secrets of dinosaurs whose appearance changed over time?!