Kenichi: The Mightiest Disciple (2006)

S1E42 Elder's Super Express! Do-or-Die Secluded Tour in the Mountains!

Kenichi is put through an intense training regimen by the Elder, aiming to master a technique that can outshine Ryuto’s skills. He faces the challenge of enduring seven days and nights in the harsh environment of Yamagata, but will he be able to make it through? Meanwhile, Niijima attempts to win over Kisara by appealing to her affection for cats, hoping to bring her on board.