SILVER LINK.
A three-episode OVA adaptation of "Futari no Elder" is produced by the animation studio Silver Link, directed by Shin'ya Kawatsura, written by Michiko Yokote, and features character design by Keiichi Sano who based the designs on Norita's original concept. The episodes were released on three Blu-ray Disc/DVD volumes between August 29 and October 24, 2012.