Koito Minase




One of the main characters of the story.

Kanji 小糸水無瀬
Romaji Minase Koito
Age 16
Gender Female
Birthday April 25
Race Human
Hair Color Dark purple
Eye Color Red
Height 162cm
Blood Type AB
Personal Status
Status Alive
  • Unnamed Mother
  • Unnamed Father
Affiliations Hosea Academy
  • High School Student (1st year)
  • Ability Wielder
  • Phantom Hunter
Japanese Maaya Uchida
English Jeannie Tirado
Novel Volume 1
Anime Episode 1

Koito Minase (水無瀬 小糸 Minase Koito?) is a girl with a special ability. She is a phantom hunter, but instead of joining a club or fighting the phantoms together with others, she fights them alone. She transferred to Hosea Academy in April. She is one of the main characters of the Musaigen no Phantom World series.


Koito has the appearance of a cool beauty with short, wavy, dark purple hair which reaches down to around her lower-chin, and she has red eyes. She sports a yellow star-hair clip on the left side of her hair. She is also almost always seen wearing her headphones around her neck. Koito she is usually seen with a normal Hosea Academy school uniform for 1st year female students.


Koito is girl who most of the time prefers to be alone and fight the phantoms alone. She also doesn't like to work in pairs, and she always keep her distance from others, and that's how she lived her life ever since she got her ability, since she recognizes herself as "different".

She has a aloof personality and doesn't talk much. She doesn't open up to people and often ignore people when they talk to her, and hence, why people call her "rude'". However, she can get impressed by people who fight the phantoms in a good way, and she complimented Reina and Mai,[1] however, she later took back her words.

However, after Haruhiko befriended her, she is shown to have a softer and more caring side to her. She also starts spending time with Haruhiko, Reina and Mai, showing a more friendlier side of her.
Phantom world episode 8 anime 50-550x309

Koito trying to express her girly side.

She also becomes more social and doesn't have any problem being with the others and feel comfortable being with them. Koito also has it quite difficult to express her "girly" side, so she can be considered a tomboy.[2]


Since a young age, Koito has had a very powerful ability. And because of that, people has treated her differently. Her ability was triggered by a phantom that was attacking animals at her school, and at that time, Koito attended to a normal school, where there was no Phantom-hunting club.

One day, the rabbit hutch at her school was attacked by a phantom but Koito's ability awakened and she sealed it. But her ability was so powerful that her classmates and teachers became afraid, and even her parents were terrified. So in the end, she couldn't stay at home, so she was taken away by the Phantom Control Agency, and ever since this incident, she's shut herself off.[3]

Also, apparently, she was popular in class first and many classmates of Koito asked if she would want to hang out with them, but because she's so distant and never agreed to hang out, people stopped coming to her.


Koito is seen being alone and fighting the Phantoms alone, until Haruhiko was asked by Arisu to assist Koito with taking down a Phantom, but Koito didn't like this. Team E helped Koito on various occasions and after the events in episode 5, with Haruhiko helping her, Koito starts spending more time in the club; she is an official member but Mai doesn't realize this until much later.[4] Also, she becomes more popular like she was before, to which underclass men respecting her, wanting to take pictures with her and sending letters to her, but Koito is very surprised and doesn't know how to react and act to this.


Koito's ability's name has not been revealed so far, but it is very powerful ability that she commands using song. Since her's hobby is music, so when she sings; she can make chains appear that will bind the enemy, which can stun or seal phantoms. She does not seal phantoms, but rather, is trying to find a way to dispose of them. Later on, Koito's ability gets more powerful and her flames turn blue.[5]


  • Her name (小糸) roughly means "Little String (Thread)".
  • Koito's hobby is music, and that's why she always have headphones around her neck.
  • Other than music, her hobby is collecting star hair-pins.
  • Koito has never joined a school club.
  • Arisu mentioned that Koito despises the phantoms for tearing her away from her friends and family, and that the phantoms is an enemy for her.
  • She tends to use a lot of sugar in her drinks.



Characters of ''Musaigen no Phantom World'' Universe

Main Characters
Haruhiko IchijoMai KawakamiReina IzumiKoito MinaseRuruKurumi Kumamakura
Supporting Characters
PhantomsArisu HimenoShosuke MorohashiArinaAyumi KitajimaEnigmaWitch

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