OKUBO is credited on Pokémon Trading Card Game cards since 2022, with artwork appearing through 2025. Credits are concentrated in the Scarlet & Violet series, including Paradox Rift, Twilight Masquerade, and Temporal Forces, with additional appearances in related promotional releases.
Across these cards, OKUBO’s illustrations favor a cartoonish, playful approach with whimsical touches. Compositions are typically focused and balanced, often keeping the subject clear and centrally staged, while color choices lean vibrant and contrasting for immediate readability. A representative example is Arbok (sv5-176). Among the most sought-after cards illustrated by OKUBO is Amoonguss (zsv10pt5-96).