Luca 龍可

Luca, along with her twin brother Lua, aid Yusei Fudo, whom they adore and support in his duels while making fun of fate. Luca is calm and collected. Luca is able to communicate with Duel Spirits following an incident eight years before the Fortune Cup. She was revered as a duel prodigy at the young age of three and while duelling, collapsed, falling into a coma that lasted a month. The cause of the coma was her spirit leaving the human world and entering the world of Duel Spirits, meeting Ancient Fairy Dragon who spoke of impending danger in the years ahead.