|This is the article on the scientist. For the messenger toad, head to Kōsuke. For other uses, see Kosuke (disambiguation).|
|Manga||Volume #1, Boruto Chapter #3|
|Novel||Boruto: Naruto the Movie|
|Movie||Boruto: Naruto the Movie|
|Appears in||Manga, Novel, Movie|
Kōsuke is bald man. He wears a pair of sunglasses and a complete white scientist suit. In the manga, Kōsuke wears a pair of glasses and a dark cap. Also he has a goatee.
Versus Momoshiki Arc
Main article: Boruto: Naruto the Movie Kōsuke worked under Katasuke in Scence Ninja Weapons Team. He collected data and documented everything about the usage of Kote, including when Boruto used it during the Chūnin Exams.
He later secretly joined Katasuke in following the others in the rescue mission to rescue Naruto from the two enemies. After Naruto and Sasuke Uchiha defeated Momoshiki, he and Katasuke rushed in an attempt to finish off the enemy with his device, while still recording Katasuke's "heroic" actions. However, when Katasuke inadvertently restored Momoshiki's strength as the latter was able to absorb the attacks Katasuke fired at him. As a result, he and Katasuke were blasted away by Momoshiki's attacks. In the aftermath, it's unknown what happened to him.