He was a participant in The Tragedy of Hope's Peak Academy. He and Tsubasa planned to commit suicide together, but instead they were murdered by Sōsuke Ichino in an envious rage after he was forced to kill Kiriko Nishizawa.
Tarō has short, moderate cornflower blue hair, green eyes and somewhat feminine eyes. He wears Hope's Peak Academy's school uniform but with the edition of a darker, unbuttoned shirt and without a tie.
Tarō appears to be a calm and kind person. Similar to his girlfriend, Tarō is pacifistic, refusing to kill other students. He is portrayed as a gentle and loving boyfriend.
Junko Enoshima gathered all of the members of the Student Council and Izuru Kamukura in the old Hope's Peak Academy school building. When the Killing Game began, Tarō and Tsubasa fled into the hallway. They both decided to commit suicide and held a gun to the other's chin. Sōsuke stabbed Tarō from behind, and he fell on Tsubasa, trapping her.
Tarō and Tsubasa were in a romantic relationship and chose to die together peacefully by shooting each other in the chin.
- His given name, "Tarō" (太郎) means "great son."
- His surname, "Kurosaki" (黒崎) means "black peninsula."