Tsutsumi has short spiky hair styled in a buzz cut. He is always seen with his eyes closed.
When in Trigger Mode, he wears a jacket with black lines around the Borders and white lines running through the sides of the arms and around the collar, like the rest of his unit. He also wears headphones around his neck. He also wears a teal shirt under his uniform.
Tsutsumi is a calm and friendly person.
- He likes Japanese rice wine, takowasa (a type of octopus snack had with alcohol), and period novels.