Fight to Survive! It's Whether You Do It or You Don't!
S1, E4: Kenichi becomes depressed after losing to Tsukuba; Akisame teaches Kenichi martial arts fighting techniques, and four additional masters help train Kenichi.

S1, E4: Kenichi becomes depressed after losing to Tsukuba; Akisame teaches Kenichi martial arts fighting techniques, and four additional masters help train Kenichi.