This series is all about Amane and her budding romance with Katou. In this volume, they end up acting together in a historical Japanese period piece. Their shyness around each other and the hesitation in confessing their feelings are expressive and of course, just a little over the top, but it's exactly what you're looking for.
Continue to love the full color and Amane's outfits are cute. Plus, Amane's friends are bonus characters that you can fall in love with too.