Saemonza is a girl with long red brown hair and a pair of dark brown eyes. She's wearing a headband with six circles (the emblem of the Sanada clan) and she always carries a bow.
Saemonza is well known for her expertise on history of the Sengoku period. She usually closes her left eye like she was aiming her bow.
- Her nickname is based on Sanada Yukimura.
- Her favorite flower is Bellflower and her favorite tank is the U.S. M4 105mm HVSS.
- A MLLSD 4koma heavily suggested that Saemonza doesn't wear any underwear. When Saori asks her & Oryou if it's true that japanese women didn't wear underwear until recently, they confirm her that's true even in their favorites periods and they finish with a grin that tends to confirm Saori's belief. It's also heavily suggested for Saemonza in the 12th Omake (a kind of BTS of what happens in MLLSD C24) when Hippo Team is in the water Erwin found a skirt floating in the water and she the way she hasten to hide Saemonza tends to give credit to the fact that she don't have anything under the skirt.
- Saemonza's birthday is the December 3rd, the same date in 1944 as the start of the Dekemvriana, a series of clashes that occurs in Athens as part of the Greek Civil War.