Rararin, a caracal Myumon born September 15th, stands 162cm tall with banana-yellow hair swept into a long high ponytail, piercing sapphire-blue eyes, and a slim yellow tail. Her vibrant wardrobe pairs a black-and-indigo top with black shoulder bracelets, a navy blue miniskirt, gloves accented by yellow bows, a gold-trimmed navy tiara, and indigo boots adorned with golden motifs. She commands stages as REIJINGSIGNAL’s vocalist and lead guitarist, brandishing her fiery guitar "Justice Wyvern."

Energetic and fiercely principled, she champions justice and believes a robust diet fuels vitality—though her carnivorous tastes exclude fish, a dislike that contrasts her past part-time work on a fishing boat. Hunger dims her usual vigor, leaving her subdued. Her musical roots trace to childhood contests that built her renown in MIDICITY, followed by an initial band’s failure, which spurred her to reinvent REIJINGSIGNAL through self-production, aiming for stardom on her own terms.

She thrives on trust and camaraderie, exemplified by her fondness for Sumomone’s vegetable okonomiyaki and valuing loyal allies. When immersed in composing or planning performances, interruptions jolt her focus. A curious quirk sees her bedroom inexplicably cluttered despite minimal use. Pragmatic yet driven, she acknowledges diverse artistic philosophies, never disparaging others’ musical paths. Her anthem "Dazzling" mirrors her electrifying spirit, embodying the passion she pours into every chord and lyric.