otumami is credited on Pokémon Trading Card Game cards since 2018, with artwork appearing through 2024. The catalogue includes work across Sword & Shield, Sun & Moon, and Scarlet & Violet, with set appearances including Paldean Fates, Cosmic Eclipse, and Forbidden Light.
The visual approach is largely cartoonish and playful, with energetic pacing, clear focal points, and frequent action-forward staging. Color is typically vibrant and contrasting, sometimes shifting into pastel or natural palettes while maintaining a clean, balanced read. A representative card is Moltres (swsh9-21). Among the most sought-after cards illustrated by otumami is Oddish (sv4pt5-92).