Mizuki Kamei is a Japanese Illustrator that has draw official artwork for Pokémon.

X: @0726mizuki

Pokémon Center Online 10th Anniversary Commemorative Sticker

The Pokémon Center Online celebrated its 10th anniversary on Monday, February 16th, 2026! To express their gratitude to everyone who always shops with them, they held a campaign! From Monday, February 16th, 2026, 10:00 AM to Friday, February 27th, 2026 at 5:59 PM JST, those that shopped at Pokémon Center Online received a commemorative sticker featuring an illustration by Mizuki Kamei.

Sources: https://www.pokemoncenter-online.com/feature/10th_anniversary.html and https://x.com/0726mizuki/status/2023716860546740503