Osana Najimi adapts to things.

—Volume 1, Chapter 9

Osana Najimi
Osana manga
Character Name
Full Name Osana Najimi
Kanji 長名なじみ
Furigana おさな なじみ
Personal Info
Gender Najimi
Occupation Student
School Itan Private High School
  • 1st year
  • Class 1-1
Manga Debut Volume 1, Chapter 9 (Series)

Najimi Osana ( (おさ) () なじみ Osana Najimi?) is a mysterious person whose gender is unknown. They also possesses phenomenal communication ability to get close to anyone within a few minutes of meeting with them.


Najimi sports a short lavender and wavy hairdo that spikes up at the ends. They have a petite body and is below average in height for both male and female. Najimi appear with wearing shorts and a t-shirt when they met Komi in elementary school. When they befriend Hitohito they are seen wearing the gakuran for middle school students and requests that people use the masculine suffix -kun when referring to them. Once they got to high school Najimi appeared as a girl wearing the female uniform as clothing in general.


Class 1's Vice-President. Najimi is known for having exceptional skills when it comes to communication. This paired with the fact that they frequently transferred schools growing up has lead everyone in Itan Private School to being their childhood friend. Including Hitohito whom Najimi notably knows the dark secrets of.
Najimi met Shouko for the first time when they were a second year in elementary school but due to Shouko's inability to speak she broke Najimi's streak of making friends causing them to be bedridden for a week from shock.

In high school the trauma follows them and causes them to shake when making eye contact with Shouko. Initially Najimi rejected Hitohito's plea to befriend Shouko, however, after much begging they reluctantly agreed. When walking home with Shouko and Hitohito a former classmate confessed to Najimi and attempted to assault them when he was rejected. Shouko noticed that the assaulter dropped his keys and attempted to returned them but was unable to get the words out and unintentionally scared him off with her tense expression. After this Najimi decided that they liked Shouko and would help her to make more friends.

They insist on using the feminine suffix -chan but has been known to switch back to being referred to as a boy when convenient: like when rejecting a male classmate that confessed.


  • Their name おさな なじみ, Osananajimi means childhood friend is the same word for the verb なじむ, Najimu means to be acquainted or adapt
  • They can listen to up to 7 people at the same time


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