Dual Moon Blade

Scientific Ninja Tool Double Moon Sword, Shinobi Striker Wiki

Double Weapon - TV Tropes

Insane Dual Blade Build! Moonlight Sword Armored Core 6

PNQ Heavy Duty 10 Inches (25.5cm) Wide Stainless Steel Blade with Plastic Dual Handle Half

New Scroll line up. Featuring custom defense outfit, accessories, and Double moon blade : r/NarutoShinobiStriker

A minute detail I noticed is that the sword that each twin yields is different. In a way, Lumine's is in shape of a moon and Aether's in shape of a star?

Dual Moon - Cresent Blade by dezet08 on DeviantArt

Dual Sword Back Scabbard Holder Harness

Dual Ritual Athamé and Crescent Sickle Knife Set – Shop Saturn Return

Blue Moon Full Tang Dual Straight Blade Ninja Short Sword Set

Dual Katanas, Ninja Gaiden Wiki