Yosuke is the first official member of the Yasoinaba investigation team. He represents the Magician Arcana and his Persona is Jiraiya. Even though he’s well regarded on the team, Yosuke’s often the brunt of things on the team, and seen as a bit of a wimp, resorting to cleaning, the fodder, and having an odd reactions with bears.
Despite all this, Yosuke is an incredible and Reliable fighter. When faced in a fight, he does his best no matter what.
It was on top of a snowy mountain that he and Yu met the heroes themselves. After defeating Aggron and freeing them, they were more than happy to join. Since then, Yosuke has had a few fights, one of notice being his battle against Top General Larvesta with his Dragon Kunai.