Black Delmo III-D is a Black Delmo member. Black Delmo III-D has short black hair. She is seen both in Black Delmo uniform then her bra and underwear. As Rion Aida was opening a locker to find some clothes to wear Black Delmo III-D enter the Delmo's changing room with her good friend Black Delmo III-C, saying that their shift is over and the two girls were going to have a hot shower and cold beer to drink. The two girls start getting undress with only their bra and underwear ,the two girls starts to have their conversation saying that Rudolf Hagen ship has stop at some island as Black Delmo III-D was told by the Blue Delmo squad, they also wonder when the two girls can get ashore and that they found the Lagu. As the two girls remove their long sock Black Delmo III-C was surprises that they found it. Black Delmo III-C think by recovering the Lagu the entire Delmo army can get a vacation as their reward, they been in this ship for too long that wish they can go shopping.

Rion eavesdrop on the two girls, Black Delmo III-E came in to the Delmo's changing room and as she saw Rion in her ridiculous bra, she just tell her to get some new ones without offending her. After that shenanigans Black Delmo III-E starts gossiping with her two friends that Neena Hagen was beaten up by Aika and she a salvager. Rion sneakily walk behind the three girls to eavesdrop on them some more, as Black Delmo III-C is concern of Neena, Black Delmo III-D start making fun of her that she not normal and Black Delmo III-E tells her if any Delmo officer heard her said that she will be punish. Then all sudden that Black Delmo III-C tell them that if she gets punish maybe Rudolf will come to save her and they start laughing a long side with Rion. After they stop laughing Black Delmo III-E tells them that Rudolf like Aika by the two girls surprise Neena heart must be shattered. Rion ask the three Delmo's what's Aika doing now and the three girls reply back "who are you?" As Rion answer back she froze, so the girls' return back to their topic