Nobuhiro Mashiro is Moritaka Mashiro's late uncle whose pen name was Kawaguchi Taro. He is the reason Mashiro knows so much about manga. He loved Azuki Miho's mother, Miyuki Haruno from afar. He wrote letters to her but could never tell her he loved her until he felt successful enough to do it. He was best friends with Miyoshi Kaya's father, Yosshi Miyoshi, in high school. He wrote a gag manga, Superhero Legend because he wasn't a good artist; despite getting good grades in art class, his skills were subpar compared to most professional manga artists. He was still remembered by the editors long after his passing. Mashiro and Takagi use his former apartment studio. He died from overwork trying to get published again. Moritaka initially believed he had committed suicide, and was thus dissua