Kenichi: The Mightiest Disciple - Season 1 Episode 42 Elder's Super Express! Do-or-Die Secluded Tour in the Mountains! From Wimp To Warrior. Sort of.
Overview: Kenichi trains with the Elder himself in order to surpass Ryuto's technique by training in the center of Japan called Yamagata which Kenichi has to survive in for 7 days and 7 nights but, can he survive? And Niijima tries to recruit Kisara by using her love for cats.