Yoshida is a private Demon Slayer and student. He is quite playful and mischievous, he loves to chat with his opponents during battle. Although he always has a smile on his face, he is also ruthless. He has eight piercings in his left ear. Yoshida can act in very unexpected ways, such as offering to tutor Denji or paying for a kiss. Yoshida has a contract with the Octopus Devil, so he can use his tentacles to fight, among other things.