Hidekuni was the metalworker who brought the Otsuki school to its culmination. Born in Bunkyo 8 (1825) in Yonago, Hoki Province, he traveled to Kyoto at the age of eighteen and entered the workshop of Kawarabayashi Hideoki, the foremost disciple of Otsuki Mitsuoki. He later married Hideoki's second daughter and succeeded the house as its second-generation head, assuming the art names Tenkodo and Kinryusai. His mature production thus represents the final flowering of the Otsuki lineage, a tradition he inherited through direct familial and pedagogical succession from Mitsuoki himself.
Hidekuni's style is characterized by a mastery of (high-relief carving in the pushed-out manner) employing a wide array of alloys, and he was equally accomplished in (fine line engraving) and (single-bevel line carving). His subjects range from animals and plants rendered with a thoroughgoing commitment to direct observation to figures and landscapes, and in each case he faithfully conveys the Otsuki manner. His compositions make effective use of generous open space to produce a powerful sense of movement, and his carving displays a vivid immediacy that the characterizes as unprecedented. His association with luminaries of the modern Kyoto painting world -- Mori Kansai of the Maruyama school and Kono Bairei of the Shijo school -- is reflected in the rich, voluptuous naturalism that pervades his pictorial treatment.
The repeatedly identifies Hidekuni as the artist who brought the Otsuki school to "a brilliant conclusion," the "final distinguished master" of the line. His works are praised for their "keen sharpness and driving momentum," for carving that "conveys a vivid immediacy," and for compositions in which "the ground metal and the design reinforce one another, producing the Otsuki school's characteristic brilliance." In his later years, the note the appearance of works marked by "an airy, unconventional spirit" -- qualities emblematic of Mitsuoki's own late production -- confirming that Hidekuni both preserved and extended the aesthetic legacy of his school to its highest realization.