Head mistress of the Firefly House, Yukino found Shichiroji injured in a capsule floating down a river, and gave him a job at the Firefly House. Though the two have a "practically lovers" kind of relationship, they have yet to consider marriage. Yukino teaches Kirara that there is no shame in enjoying a fine meal a letting one's body and soul rest when Kirara believed that to do so was a dishonor to the sacrifices and hardships of her village. After rescuing Sanae from the capital, the samurai stop by the Firefly House again, and leaves Sanae in Yukino's care while they rush to the final battle with Ukyo. After the battle, Shichirojo goes back to the Firefly House to be with Yukino.