Watch anime online, stream anime episodes online for free.Watch History’s Strongest Disciple Kenichi Episode 18 English version online and free episodes. Anime Episode guide, Chapter History’s Strongest Disciple Kenichi Episode 18 English dubbed Amusement??? To The Secret Furinji Island! It is the summer holidays and Kenichi is surprisingly granted a vacation. So the gang leaves, with Honoka, to a special summer spot (Furinji Island) however this may not be the sort of vacation that Kenichi dreamed of.