Primary

• Juvia Lockser In love with Gray Fullbuster
• Juvia Lockser is "love rivals" with Lucy Heartfilia

Extended

• Lucy Heartfilia Daughter of Jude Heartfilia
• Lucy Heartfilia Owner of Aquarius
• Lucy Heartfilia Owner of Virgo
• Lucy Heartfilia Owner of Cancer
• Lucy Heartfilia Owner of Loke
• Lucy Heartfilia Owner of Taurus
• Lucy Heartfilia Owner of Plue
• Lucy Heartfilia Owner of Capricorn
• Lucy Heartfilia Owner of Crux
• Lucy Heartfilia Owner of Leo
• Lucy Heartfilia Owner of Scorpio
• Lucy Heartfilia Daughter of Layla Heartfilia
• Lucy Heartfilia Owner of Aries
• Lucy Heartfilia Owner of Sagittarius
• Lucy Heartfilia Owner of Gemini
• Lucy Heartfilia Owner of Lyra
• Lucy Heartfilia Owner of Horologium
• Lucy Heartfilia Owner of Pyxis
• Lucy Heartfilia earthland counterpart of Lucy Ashley
• Lucy Heartfilia Descendant of Anna Heartfilia
• Gray Fullbuster Rival of Natsu Dragneel
• Gray Fullbuster the counterpart of Gray Surge
• Gray Fullbuster Student of Ur
• Gray Fullbuster love interest of Juvia Lockser
• Gray Fullbuster Friend of Lucy Heartfilia
• Gray Fullbuster Son of Silver Fullbuster