Avsnitt 1

As the episode opens Rentaro faces off against his sister Iroha in a ninja match, but he proves to be unable to beat her as his fire ninpo is too weak and she simply reflects a stronger version of it back at him and pinning him down with shurikens, defeating him which ends the match and earning her 10 points . The forest they were battling in was a holographic simulation which dissolves and the spectators cheer for Iroha's victory and advancement in the 5th Annual Ninjutsu Championship Tournament.