Iwatooshi is depicted in a commanding forward-leaning pose that captures his steady, blade-forged presence. The figure wears a meticulously sculpted outfit inspired by traditional samurai armor, featuring layered plates, subtle engravings, and a flowing sash that catches every turn. His hair is sculpted to frame a focused gaze, with a calm, disciplined expression that hints at centuries of history behind the blade. The katana is drawn, its guard and blade-like motifs highlighted with metallic paint, and the sheath rests at his side with precise detailing. The base evokes a stoic stone platform with an engraved commemorative emblem for the Ichishuunen Kinen Ver., while shading and finishes emphasize the contrast between metal, lacquered wood, and fabric.

Iwatooshi is one of the revered blades personified in Touken Ranbu Online, a sword whose legend speaks of a forged history and a steadfast spirit. In the story, he awakens under the Saniwa’s care and joins the other Touken Danshi to defend history from distortion and threats of time-warped conflict. He embodies restraint and duty, often serving as a stabilizing force for younger or more volatile companions. His narrative arc centers on tempered power and responsibility, showing that true strength comes from protecting people and preserving the past for future generations. Across battles, Iwatooshi demonstrates precise technique, calm calculation, and a protective, loyal personality that earns the trust of his allies and the respect of adversaries.