Kenichi: The Mightiest Disciple S01 E42 Elder's Super Express! Do-or-Die Secluded Tour in the Mountains!

"From Wimp To Warrior. Sort of."

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.