Imperial Princess Yasuko features in the anime *Chōyaku Hyakunin Isshu: Uta Koi*. She enters a political marriage with Sadaakira, a former emperor forced to abdicate for his wild and unfit conduct. Before their union, Sadaakira persistently targeted Yasuko with mischievous pranks, fostering mutual animosity between them.

The marriage was arranged as a political measure to monitor Sadaakira after his removal from the throne. Despite her personal dislike, Yasuko committed to fulfilling her role as his wife with unwavering loyalty and dedication, explicitly pledging to serve as his devoted spouse out of duty and honor.

Sadaakira composed Poem #13 in the Hyakunin Isshu anthology for Yasuko. This poem uses the imagery of Mount Tsukuba’s waterfalls transforming into the Mina River’s deep, calm flow as a metaphor for his own feelings evolving into profound love, anchoring their relationship arc.

Yasuko's characterization presents a distinct contrast to Heian court conventions. Her commitment to marital duty and personal honor reflects values like loyalty and steadfastness, more commonly linked to the emerging samurai class, rather than the courtiers' focus on political maneuvering and fleeting romance, highlighting the era's cultural shift.