: Sai and Konohamaru discover a book listing "the chosen" members who have supposedly gone to a better place, but are actually marked as deceased. These individuals were used as guinea pigs for Kara’s experiments.
In , titled "Clues to Kara," Konohamaru Sarutobi and Sai Yamanaka embark on a somber infiltration mission to investigate the religious cult founded by the late Kara member, Boro. The Infiltration Mission Boruto: Naruto Next Generations (Dub) Episode 210
: Jigen had ordered Delta to return and likely tie up loose ends after Boro’s death. : Sai and Konohamaru discover a book listing