Jippensha Ikku was the pen name of Shigeta Sadakazu, a Japanese writer active during the late Edo period of Japan. He lived primarily in Edo in the service of samurai, but also spent some time in Osaka as a townsman. He was among the most prolific yellow-backed novel writers of the late Edo period — between 1795 and 1801 he wrote a minimum of twenty novels a year, and thereafter wrote sharebon, kokkeibon and over 360 illustrated stories.