Emilie de Rochefort better known under her nickname, "Lili", was introduced in Tekken 5: Dark Resurrection and returned for Tekken 6 and Tekken 6: Bloodline Rebellion. She is the only daughter of a wealthy oil magnate in Monaco. She is a sixteen-year-old girl whose fighting style is labeled as "Street Fighting". Lili became interested in fighting when she was kidnapped and held ransom at the age of twelve. She managed to take out one of her captors while struggling violently to free herself.
This triggered her hunger for battle. Because her father is a good-hearted man who hates conflict, and Lili loves him very much, she doesn't want him to be upset. Lili took part in street fighting tournaments around the world under the guise of a vacation from Monaco, using her family's private jet. Lili acquired an invitation to The King of Iron Fist Tournament 5 after defeating an opponent in San Francisco. Realizing that the Mishima Zaibatsu, the main source of her father's problems, is the sponsor of the tournament, Lili decides to enter the tournament so that she can put an end to her father's business troubles.
However in Tekken 6, Lili's father discovers that Lili was a participant in The King of Iron Fist Tournament 5, so he prohibits her from leaving the mansion until further notice as punishment for her disobedience. This prevents Lili from getting revenge on the girl that defeated her in the tournament. Her father's oil fields were taken over by the Mishima Zaibatsu, particularly Jin Kazama. Lili enters The King of Iron Fist Tournament 6 to reclaim her father's company and ease her father's anxiety, caused by overworking himself.
Her "street fighting" style appears to mix moves from classical dance and/or ballet. Other moves derive from gymnastics techniques, such as cartwheels and handstands, and some moves tend to be a reflection of her background and personality. Some may say that it resembles a form of wushu. Others say that it may be tricking, a comparatively new martial art form.
Tekken 5: Dark Resurrection
Lili is the daughter of a wealthy oil tycoon in Monaco. Four years ago, she was captured and held ransom for that reason, but while in captivity, she struggled violently to free herself, taking out one of her captors. This triggered her hunger for battle. However, due to Lili's father being a good hearted man who hated conflict, Lili was discouraged from fighting. But Lili could no longer control her craving for battle, and under the guise of a simple vacation, she used the family's private jet to take part in street fighting tournaments around the word. One day, she receives an invitation to The King of Iron Fist Tournament 5. Lili soon discovers that the sponsor of the tournament was the Mishima Zaibatsu, the main source of her father's problems. She decides to enter the tournament to put an end to her father's business troubles.
In Lili's non-canonical ending, Lili and her butler Sebastian celebrate her victory over the Mishimas, with Sebastian emotionally dabbing at his eyes with a handkerchief and Lili bursting into laughter at the thought of how pleased her father will be when he learns of the collapse of the Mishima Zaibatsu. Lili's chauffeur, waiting in a limousine, turns on an in-car television to discover that Rochefort Enterprises (her father's buisness) has declared bankruptcy after a main trading partner, the Mishima Zaibatsu, collapsed. While chauffeur is visibly shocked at this, Lili, however is blissfully unaware and still laughing, and does not notice the chauffeur fleeing from the limousine.
Lili competed in The King of Iron Fist Tournament 5, behind her father's back, but was defeated by Asuka Kazama. Once her father discovered Lili's participation, she was grounded, preventing her from claiming revenge on Asuka. One day, her father's oil fields are taken over by Mishima Zaibatsu control, and his company falls into disrepute with her father suffering from being greatly overworked. The Mishima Zaibatsu announces The King of Iron Fist Tournament 6 and Lili decides to enter, hoping to reclaim her father's oil field by winning the tournament.
- Lili is currently the youngest (human) character in the Tekken series, as she is only sixteen years old in Tekken 5: Dark Resurrection. Ling Xiaoyu was the only other character to debut at the age of sixteen.
- Lili is the only character in Tekken who currently has long, untied hair (Christie Monteiro's hair had previously been untied in Tekken 4).
- Lili is possibly left handed, as she can be seen using her left hand in Tekken Bowling.
- Even though the official language of Monaco is French and her last name is of French origin, Lili speaks English.
- A Maxim model named Natalie starred as Lili in the Tekken Maxim Photoshoot for the Maxim magazine.
- Lili has recently appeared on the cover of a Play Magazine "Girls of Gaming" issue, where she is shown wearing a bikini.
- She is currently the tallest human female character in the game, standing at 6'4.
- Appears as an opponent alongside her butler, Sebastian, in the PSP game Digimon World Re:Digitize.