Kinokuniya Masaru
紀伊国屋 将
| Kinokuniya Masaru紀伊国屋 将B | |
| Birthday | 13 October |
| Age | 17 |
| Hair | Brown, Short, Thick Eyebrows, V Bangs |
| Eyes | Amber, Hosome |
| Body | Slim, Teen |
| Clothes | Capri Pants, Sandals, School Uniform, T-shirt |
| Personality | Friendly, Sly |
| Role | Friend, High School Student, Kouhai |
| Visual novels | Side character - Seven Days: Anata to Sugosu Nanokakan Side character - Dreamin' Her -Boku wa, Kanojo no Yume o Miru.- |
| Voiced by | Urata Wataru |
DescriptionMasaru is a friend of Shuiichi’s and a bad influence. He's a weirdo who talks like an idiot but cherishes his friendships. Information is his expertise and that occasionally helps Shuuichi out. | |