The original Haikara-san ga Tooru manga was serialized in Kodandasha’s Shōjo Friend manga magazine from 1975 – 1977, and a 42 episode TV anime adaptation with direction by Kazuyoshi Yokota and animation by Nippon Animation was also broadcast from 1978 – 1979.
Haikara-san ga Tooru: Tokyo Dai Roman is directed by Seimei Kidokoro and features animation by Nippon Animation, and it will adapt the story of the series all the way to final chapter of the original manga.