Shiny Mimikyu Distribution Event Announced for Japan - Nintendojo

Unfortunately, no word yet on availability outside of Japan.

Japan: Switch moved 1.94 Million units in first 6 months of 2023 - My Nintendo News

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The New Tetris - Nintendojo Nintendojo

Pokémon Scarlet and Violet - Electric–Tera Type Mimikyu Event Pokémon Distribution - GameStop

Shiny Mimikyu Event ⭐️ Japanese PGL B2G1✨ Pokemon Scarlet and Violet, UNTOUCHED

Pokemon Halloween Time: Shiny Mimikyu - Japanese - Project Pokemon Forums

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Universal Studios Japan No Limit! Parade 2023 with Super Mario & Pokemon - Japan Web Magazine

Nintendo Switch Super Mario Edition Fuels Japan Sales, Famitsu Shows - Bloomberg

Universal Studios Japan No Limit! Parade 2023 with Super Mario & Pokemon - Japan Web Magazine

✨ Shiny Mimikyu Event, Japanese PGL, Pokémon Scarlet & Violet, UNTOUCHED

Shiny Jirachi Distribution in Japan - Pokémon X & Y Forum - Neoseeker Forums

Japanese Charts: Detective Pikachu Cleans Up For His Switch Debut