Mitsuru Adachi
"Niji-iro Tōgarashi" is written and illustrated by Mitsuru Adachi. The manga was serialized in Shogakukan's "Weekly Shōnen Sunday" from January 11, 1990 to April 29, 1992. Shogakukan collectes its chapters in eleven "tankōbon" volumes, released from August 18, 1990 to May 18, 1992. Shogakukan republished the series in a 6-volume "bunkoban" edition from May 16 to September 14, 2002.