Hailing from Marseille, Lynette grew up surrounded by books under the guidance of her grandmother—a renowned magic librarian. This book-filled environment cultivated her profound love for old volumes and romance novels, shaping her shy, introverted nature. Constant literary immersion fuels frequent daydreams, where she often envisions romantic scenarios involving classmates. Physically, she stands 154 cm tall with short green hair secured by a yellow hairband, lavender eyes speckled with purple, and typically wears her school uniform paired with black tights and Mary Jane shoes.

As LiGHTs' primary lyricist at Flora Girls' Academy, Lynette channels her encyclopedic knowledge of magic and witches—honed through voracious reading—into songwriting. Her unique magic revolves around grimoires: chanting directly from these books unleashes diverse spells, but lengthy incantations leave her vulnerable mid-cast. Unlike peers using "Echo Gifts," this method imposes tactical constraints. Academically, she excels in magical theory yet falters in physical activities due to poor stamina and coordination. Her clumsiness routinely damages school property, cementing LiGHTs' bottom-tier Lapis rank. During practical exams or missions, she relies on unit members to compensate for her physical limitations.

Lynette evolves alongside LiGHTs' journey. Initially passive, she demonstrates unexpected initiative in crises—like devising a strategy to reunite with Tiara when facing expulsion in Episode 9. Her growth continues in Episode 11, where she synergizes lyrical skills with magic to gather mana during the Ceaster Festival. Within the academy, she bonds with fellow "witch otaku" Ratura over shared fascination with magical lore. Among LiGHTs members Tiara, Rosetta, Lavie, and Ashley, she provides magic theory expertise and lyrical contributions while depending on them for physical tasks, balancing the unit's collective strengths.

Her "delusional imagination" persistently overlays real interactions with romance-novel tropes, lending observational humor as she comments on perceived romantic tensions. This trait coexists with earnest dedication to her studies and unit. Driven by her "witch otaku" passion, she aspires to become a recognized witch despite physical shortcomings. By the anime's conclusion, LiGHTs ascends from Lapis to Rouge rank, reflecting Lynette's incremental confidence and teamwork growth. Though her physical abilities remain unchanged, she engages more directly in group strategies and offers emotional support—leveraging her intellectual strengths as LiGHTs' indispensable specialist.