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Izumi Takanashi Cover
Izumi Takanashi
Kanji 小鳥遊(たかなし) (いずみ)
Japanese Name Takanashi Izumi
Nationality Japanese
Gender Female Female
Age 28
Height 1,73 m (5"8)
Weight 50 kg
Birthday July 26th
Hair Color Dark Brown
Eye Color Dark Brown
Blood Type A
Professional Status
Occupation Novel writer
Personal Status
Relative(s) Shizuka Takanashi (Mother)
Kazue Takanashi (Sister)
Kozue Takanashi (Sister)
Nazuna Takanashi (Sister)
Souta Takanashi (Brother)

Toru Minegishi (Brother-in-law)

Equipment Fountain pen
Manga Debut Volume
Anime Debut Episode 4
Japanese Voice Yōko Hikasa
Fumiko Orikasa (drama CD)
Image Gallery

Izumi Takanashi (小鳥遊 泉 Takanashi Izumi) is the second sister in the Takanashi family who has a sickly appearance from staying in her room all day, everyday in fact. She refuses to use technology and writes with nothing but fountain pens. Thus, it can be seen why her face and clothing are covered in ink.


Although writing is her dream job, Izumi often despairs from writer's block and impending deadlines who is often covered in ink and her room is generally very messy and full of books. She does not leave her room often, locking herself in, and loves to wear black. Izumi does not pay much attention to her appearance and usually has messy hair and wears no makeup.

Because she has weak constitution, she frequently having to rely on others to take care of her. If she carries anything heavier than a pen, she gets muscle aches after three days. She does not do any household chores, which would make her aches worse even when trying to clean her own room. She is taken care of by Souta Takanashi daily and knows that too. She can not travel far and relies on taxis as a major mode of transportation.


  • The name Izumi means "fountain, spring" (泉).
  • Izumi's surname Takanashi means "little bird, small bird" (小鳥) (taka) and "play" (遊) (nashi).


  • According to Shizuka Takanashi, Izumi is a good cook.
    • She also looks like the younger version of Shizuka.
  • Souta Takanashi takes care of Izumi.
  • Izumi is afraid that if Souta gets a girlfriend, he will start neglecting her.
  • When Nazuna Takanashi was little, Izumi saw the abuse endured by Sōta from her sisters and decided to protect her brother. So far, only Izumi is being spared from her discrete machinations against her unsuspecting sisters.
  • When Nazuna first explains her brothers "girlfriend", Izumi is mistaken and she thinks he is a Pedophile at first.
  • Izumi writes romance novels for a living.