His signature original series, "Heavy Armed High School Girls", combines school uniforms with mechanical designs to create a unique visual style. Recognized for its detailed craftsmanship and highly recognizable aesthetics, the series has earned widespread acclaim both in Japan and internationally, with more than 40 figures produced based on his original illustrations.

What makes neco's work especially remarkable is that these figures originate from standalone original illustrations, rather than an existing manga, anime, or game. Achieving this level of commercial success and long-term popularity through original artwork alone is exceptionally rare in the industry.

Through his innovative character designs and distinctive artistic vision, neco has become one of the leading creators in contemporary original character art, with a significant influence on both the illustration and collectible figure communities worldwide.