Yotsuba Koiwai (小岩井よつば, Koiwai Yotsuba), also known as just Yotsuba (よつば), is a fictional character and the main protagonist in the comedy manga series Yotsuba&!, as well as the one-shot manga "Try! Try! Try!", both by Kiyohiko Azuma. As the title character of the series and almost every chapter, Yotsuba is usually the focus of each episode; most stories revolve around her meeting, and often childishly misunderstanding, a new concept or activity indicated in the chapter title. She is noted for her childish energy, unusual naïveté, and iconic appearance.
