In this universe Yukino is the president of the Aries Republic, and the master of the Otome version of Haruka, who is a brigadier general in the Aries army. She is considerably more confident than her My-HiME counterpart and appears cool under pressure. She is apparently well-respected within her country. She helps Garderobe combat the invasion by Artai forces and lends several of Aries' warships to the cause.
On an amusing note, she still corrects Haruka's mispronunciations, though this time she is armed with a megaphone to make herself heard. She also has some of her subordinates use a rock to knock Haruka out if she become too exuberant (though in the second episode of the My-Otome Zwei OVA they discover that they need a bigger rock). This OVA also sees Yukino's position being challenged by presidential candidate Ishigamin (the art teacher Ishigami from My-HiME) and later Tomoe Marguerite after she (literally) knocks Ishigamin off of his campaign platform and declares herself a candidate.
Though it seems that she and Haruka often disagree due to their conflicting personalties, they have a mutual understanding that they must work together to accomplish the same task despite their differences, something that Arika Yumemiya takes to heart in consideration to her relationship with Mashiro Blan de Windbloom. Yukino is also visibly troubled when Haruka is petrified by the as-of-yet unknown enemy, though Haruka is still alive despite her nanomachines being solidified. It is also shown that Yukino keeps a sunflower on her desk in a vase resembling Haruka's Meister Robe, and she is shown looking at it sadly after Haruka is petrified.