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All Fiction Battles Wiki
Andou-kun. Do plan to be a chuuni forever? Are you not already a high school second-grader?


Sayumi Takanashi is one of the main characters of Inō Battle wa Nichijō-kei no Naka de. She is a very refined girl that is normally seen reading books. Her other hobbies includes ikebana, origami and martial arts.

Throughout the series so far she acts mature and regal, but when it comes down to sexual and perverted fan service moments, she acts like a shy, embarrassed girl.

Powers and Stats

Tier: At least 10-B, Unknown with Ouroboros Circle

Name: Sayumi Takanashi

Origin: Inou Battle Within Everyday Life

Gender: Female

Age: 18

Classification: Sayu-nē (by Takanashi Maiya), Student

Dimensionality: 3-D

Powers and Abilities: Martial Arts (has practiced martial arts, being a black belt in both karate and judo), Causality Manipulation (Via Root of OriginPrimitive; This allows her to return anything to its original state, including people or objects.), Subjective Reality (Via Root of OriginPrimitive; the way in which things return to their original state depends on Sayumi's subjective thought), Conceptual Manipulation (Type 2; Ouroboros Circle can return the concepts to their ideal form), Reality Warping (Consequent to conveying her feelings to Jurai and trying to make the feelings she has for him take shape in the world as "their ideal form", she mistakenly altered the entire reality of the world.), Age Manipulation (Due to altering the entire reality of the world - She made Chifuyu become a high school student), Transmutation (Due to altering the entire reality of the world - She changed Tomoyo's appearance and made it as if it was normal and transformed Sagami into a girl) Teleportation (via Ouroboros Circle; Can return whole areas to their natural state of being - teleporting people by restoring areas to their original state), Matter Manipulation, Healing (Via Root of OriginPrimitive; was able to regenerate Andou's arm)

Attack Potency: At least Human level (Shown to be an extraordinary fighter due to her martial arts), Unknown with Ouroboros Circle (It is said to be the power that altered the reality of the entire world)

Speed: Average Human

Lifting Strength: Average Human

Striking Strength: Human Class

Durability: Human level

Stamina: Average

Range: Standard Melee Range. Planetary with Root of Origin

Standard Equipment: None notable

Intelligence: Above Average

Weaknesses: Root of Origin will only work if Sayumi believes that the current state of the target is not its original state.

Notable Attacks/Techniques:

  • PrimitiveRoot of Origin: Sayumi's power is "Root of Origins" in which anyone she touches returns to his or her original state, although the exact nature of this remains vague. It is unknown whether this power can revive people, but Jurai Andō has told her to never do so, because some things shouldn't be changed
  • Root of Origin: Ouroboros Circle: This is the next stage of her power "Root of Origins". It can restore the wholeness of the Literature Club.


Notable Victories:

Notable Losses:

Inconclusive Matches: