Saiunkoku Monogatari: Out of Indigo Comes Blue is a captivating light novel that delves into the intricate relationships and historical backdrop of ancient times. This second side story volume of the series presents three engaging side stories along with a bonus narrative. Focused on the evolution of the friendship between Shuurei, Eigetsu, and Ran Ryuuren, the novel weaves together drama, romance, and supernatural elements to deliver a compelling tale for readers who appreciate a mix of genres such as historical and josei.