Lady J is a girl who is full of mystery and possesses a bewitching appearance and rich body. Her appearance is cool and she speaks very few words, but she has a strong connection with Rain Hasumi (Lady J's Liberator/Partner and Lover). Their bond is founded upon a deep mutual trust. Together, they seem to be surveying the Mermaid island but those actions are wrapped with mystery. She is a hybrid Liberator and Extar as she is able to turn into a motorbike in her arm form and utilize other arms. Lady J is a tall and slender alluring woman with mid-back length purple hair that has bangs styled in a hime cut, with golden eyes that always gives out seductive glares, she is most notably confirmed to have the largest bust size in Valkyrie Drive Mermaid, completed with birthing hips. She dresses in a black two piece with red accents. The top exposes most of her under-cleavage and a long split-skirt with a ribbon cover. Lady J has been shown to be an easygoing woman, much like Rain Hasumi (Lady J's partner). More times than not, Lady J is shown to wear a calming smile at her lips, albeit she's always mature and takes things in stride. This smile is shown to fade away in more serious situations, such as when faced with a powerful enemy, suggesting Lady J is quick to analyze the situation. If Rain strokes Lady J's breasts or thighs whenever she is in Bike Form, she makes a pleased "Ahhh!" sound with a metallic resonance Lady J's breasts weigh 22 pounds, her nipples are inverted and she can lactate milk. Lady J's birthday is May 26th. Lady J has the Biggest Bust in Valkyrie Drive Mermaid.