The company has been known for its collaboration glasses inspired by the characters from popular anime series, such as Puella Magi Madoka Magica the Movie: Rebellion, Girls Und Panzer, Macross Frontier, BORUTO, Mahou Girls PreCure!, and Fate/stay night [Heaven’s Feel].
DUO RING, a company operating “Shitsuji Megane eyemirror” (Butler Glasses eyemirror)’s official online store, has started accepting pre-orders for two new collaboration glasses inspired by LLENN, the protagonist of the TV anime Sword Art Online Alternative Gun Gale Online, at the price of 14,000 yen (about 126 US dollars) since September 15.