The Tidal Library

Chisato Otowa

  • en Chisato Otowa
  • ja 音羽 ちさと
  • ja おとわ ちさと
  • en Otowa Chisato
  • zh-Hant 音羽 千里
  • zh-Hans 音羽 千里
Age status: Minor (16) human Demonstration record Presentation limited

An apprentice at the library. Her task is reading aloud, because some books survive one more tide if someone has spoken them.

At a glance

Role
Supporting
Recorded works
2
Japanese voice
久世 七葉
high Last verified: Compare →

Recognition Card

What lets you pick her out across a hall.

  1. Pale pink short hair flicked out at the ends
  2. The apprentice's short apron
  3. Follows the line with a finger while reading aloud
Pronunciation
oh-TOH-wa chee-SA-toh
The apprentice in The Tidal Library.
Cosplay recognition difficulty
1 / 5

Character Prism

Structured design and personality DNA. Each entry is labelled by what kind of statement it is.

Appearances

  • The Tidal Library Visual novel · 2018 · prime Supporting Debut
  • The Tidal Library: High Water Edition Remake · 2025 · prime Supporting

People

Person Role Language Production
久世 七葉 Voice ja The Tidal Library

Popularity

These describe attention and recognition. They are not a rating of a character’s worth.

Discovery

▲ 0.4

52.3

3 independent sources · discovery-v1

Score components
obscurity 0.60 × 0.45
editorialRelevance 0.55 × 0.35
durability 0.30 × 0.20

Icon

▲ 0.1

38.5

3 independent sources · icon-v1

Score components
durability 0.30 × 0.45
breadth 0.30 × 0.30
franchiseActivity 0.70 × 0.15
editorialRelevance 0.55 × 0.10

Pulse

▼ 5.9

54.6

3 independent sources · pulse-v1

Pulse fell 5.9 points on a change in recent interest.

Score components
momentum 0.52 × 0.40
franchiseActivity 0.70 × 0.25
exposure 0.40 × 0.20
editorialRelevance 0.55 × 0.15

Attention over time

Six monthly observations from one source, one metric. Counts from different platforms are never plotted on the same line.

Attention over time 2025-09-01: 1714 2025-10-01: 1854 2025-11-01: 1794 2025-12-01: 1722 2026-01-01: 1694 2026-02-01: 1764
DateValue
2025-09-011714
2025-10-011854
2025-11-011794
2025-12-011722
2026-01-011694
2026-02-011764

Sources and provenance

Where each value came from, how confident it is, and when it was retrieved. Disagreements are shown, not resolved silently.

age_class · 1
Value Source Data confidence Kind Retrieved
"minor" ikuwayo! demonstration corpus editorial-approved · CC0-1.0 high canonical
canonical_age · 1
Value Source Data confidence Kind Retrieved
16 ikuwayo! demonstration corpus editorial-approved · CC0-1.0 high canonical
species · 1
Value Source Data confidence Kind Retrieved
"human" ikuwayo! demonstration corpus editorial-approved · CC0-1.0 high canonical
spoiler_free_summary · 1
Value Source Data confidence Kind Retrieved
"圖書館的見習生。她負責朗讀——因為有些書一旦被唸出來,就能多撐一次漲潮。" ikuwayo! editorial editorial-approved · CC0-1.0 high editorial

Rights, sources and safety · Data sources · API