Gender: Female Age: 23 Height: 130 cm (4'2") Weight: 27 kg (60 lb) Blood type: A Date of birth: March 9 Eye color: Forest Green Place of birth: Hokkaido Igarashi Futaba is the female main character in the series. She is 23 years old and often gets mistaken for a high-school girl due to her height. (Source: Senpai ga Urusai Kouhai no Hanashi Wiki)