Hanako Koyanagi (小柳 花子 Koyanagi Hanako), later Hanako Kabakura (樺倉 花子, Kabakura Hanako) in Vol.9 Ch.65.3, is the bespectacled senpai of Narumi Momose at the office and the wife of Tarō Kabakura who loves playing games and reads yaoi manga. She is also secretly a famous cosplayer that usually cosplays as a male character. Along with Narumi, Hanako also works at an unknown company with Kabakura and Hirotaka Nifuji. Hanako is often portrayed as professional, strict and hardworking woman who is often admired by her male co-workers. According to her boyfriend, she is short-tempered, panicky and very drawn to perverted jokes. She is also easily influenced by others, according to him as well. She is also considered as a really cool woman by Narumi Momose. Hanako can get jealous over Tarō Kabakura's waifus at times and usually gets angry when he mentions about his fatherly love for Narumi. Hanako is also aware of the fact that she is different from his type and has grown accustomed to it. She often worries about their constant fighting and that he will grow tired of her.