Sonosuke Izayoi is a character featured in Danganronpa 3: The End of Hope's Peak High School. During his time in Class 76th at Hope's Peak Academy, his title was the Ultimate Blacksmith. After leaving Hope's Peak, his title was updated to the Former Super High School-Level Blacksmith. He is a member of the Future Foundation and is the Branch Office 9 Director. His responsibility as the director is preparation, development, and management of armaments/weapons. He, along with the other Future Foundation Directors, is forced to participate in the Final Killing Game.