An infant heir born on Hachijo Island to Osode's mother. His direct bloodline connection to the shogun makes him a highly sought-after political pawn, drawing ninja attacks and making him a focal point of the succession conspiracy.
Tsunayoshi is the biological father of Kotaro, who is hidden on Hachijo Island.
Osode and Kotaro share the same mother, making them half-siblings connected by the shogun's lineage.
Makino views Kotaro as a threat to his scheme of installing his own daughter's child as the next shogun.
Shusui and Kotaro collaborate on Hachijo Island to protect the heir and uncover Makino's conspiracy.
Explore the full interactive character relationship map of The Notorious Bored Samurai 3