Nijuushi no Hitomi
Twelve Sets of Eyes
Twenty-Four Eyes
二十四の瞳
Based on the book by Tsuboi Sakae, which drew on her involvement in Japan's anarchist counterculture and opposition to Korean War rearmament.
Combined live action (handled by Akio Jissoji) and animation (handled by Shigetsugu Yoshida).
Released as a TV special.
(Source: AniDB)