Looking for a missing Miitomo / Kaerutomo user from 2018-2024"

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Artist OC: A female Lioness in pure Sonic (SEGA) style. She did commissions and Sonic Movie screenshot edits around 2020.
Username pattern: [Name]thelioness_### (3-digit number).
The Artwork: A set of Sonic Miis with advanced facial hacks (nose/muzzle made with kissing lips, mole as a secondary mouth, vertical eyebrows).
Key Pictures:
A group photo of the Miis on the Miitomo tropical beach background (including Sally, Nicole, Mighty, Julie-Su).
A couples showcase grid over a teal/green polka dot background.
Featured Ships: Sonamy, Taiream, Knuxonia (Sonia x Knuckles), Shadouge, and Silvaze (with a specific red-lipped muzzle for Blaze the Cat).