I am blue delmo s a blue delmo. Blue Delmo S has short black hair that is comb on the right side of her hair. She is always seen in her Blue Delmo uniform. She was also seen wearing sunglasses when piloting a helicopter. Blue Delmo S was first seen during events of Trial 2 as a Blue Delmo who pilot Neena Hagen to the Lagu location. She is one of two Blue Delmos guarding a captured Aika dressed in White Delmo uniform while Rudolf Hagen speaks to her about the Lagu, that it can be use as a powerful weapon. Later, Blue Delmo S is one of Blue Delmo squad who chase after Aika Sumeragi and Gust Turbulence as they try to escape out of Hagen's ship, they surround both of them on the ship deck. She also one of Blue Delmos who tried to attack Shivie Aika even though her metallic tentacles deflected their rifle bullets. As the fight rage on Blue Delmo S fires on Shivie Aika use her tentacles to whip Blue Delmo W first right on her face, then her second tentacle whip Blue Delmo S on her right side of her stomach that she spin 360° in the air. Luckily for Blue Delmo S is strong enough to get back up to surround Aika and Gust.

During events of Trial 3, she was seen firing a MIG-21PD that was piloted by B.A. Bandora. Her squad keep firing at Bandora jet, her jet blew over the Blue Delmos that they have to take cover. As her MIG lands Bandora have a fierce fire fight with the Blue Delmos that they miss her by every single shot, she use a smoke grenade to distract the dumb girls and as her jet makes a vertical takeoff the Blue Delmo squeal like little girls as the smoke and jet wind is too much for them, that they let their own enemies escape. Later Blue Delmo S is climbing to top of Hagen's ship radar dome to retrieve laying there unconscious Neena Hagen who was thrown there by Shivie Aika.

During events of Trial 4, she was part of the Blue Delmo group which captured Maypia Alexymetalia and Gozo Aida during their attempt to infiltrate Hagen's ship.