He is a very energetic man and dreams of becoming a photographer. Aside from his job which is looking after his little sister Kagome, Masaru is a natural fighter he's very strong which puts him on even footing with Hibiki especially when comes to Kagome. With that being said, he and Hibiki often have opposing views on how to do things. Though quite obedient to his sister Kagome, he often teases Keiko. he tires to tell Ryujii that nothing's going on with him and Keiko but it never works. He talks english just like Kagome. Despite being older he acts younger. He gained a friendship with Hibiki when they both were going to save Kagme also Masaru reviled that he enjoys danger and is always reckless but becomes serious because he wants to protect his sister he then asks that Hibiki won't tell t