Eijiro is a muscular young woman of average height and a rather impressive physique for her young age. She has red eyes pointed slightly inwards, and a small scar just above her right eye. Eijiro is a boisterous and outgoing girl with a fondness for womanliness, often using the terms "womanly" and "unwomanly" to describe things and people she does or doesn't like, respectively. Those who showcase a noble, brave, or determined attitude tend to emotionally move her to tears.