Watch anime online, stream anime episodes online for free.Watch History’s Strongest Disciple Kenichi Episode 21 English version online and free episodes. Anime Episode guide, Chapter History’s Strongest Disciple Kenichi Episode 21 English dubbed Unforgivable! Kenichi’s Fist of Anger! After hearing an accidental call made by Takeda, Kenichi and Miu race of to help. Currently Takeda and Ukita are fighting of Kisara’s gang of delinquents but they won’t be able to hold out for long. Kenichi unleashes his pent up rage on those who attacked Takeda, while Miu dukes it out with Kisara.