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

CDJapan : Games Nintendo Switch / Complete List of July 2023 Releases

Pokemon Store's Shiny Mimikyu - Korean - Project Pokemon Forums

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

Guests – Hawaii Pop Con

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

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

Nintendojo Nintendojo

CDJapan : Games Nintendo Switch / Complete List of July 2023 Releases

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

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

Japanese Charts: Detective Pikachu Cleans Up For His Switch Debut

CDJapan : Games Nintendo Switch / Complete List of July 2023 Releases