哨聲響起

The Call Rings Out

Are you someone who passes in a flash, or the scar carved deepest?
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Published at 2026-10-08 | Updated at 2026-10-15
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Ten years ago
The extraterrestrial lifeforms called “Eroders” appeared on Earth for the first time

Roughly a quarter of the population and infrastructure vanished in the first invasion

Just as the front lines began to collapse, people with special abilities started to appear:

Sentinel Guide

Two kinds of ability-users never seen before changed the war between humanity and the Eroders

02 / 03
S/G
SentinelSENTINEL

Senses, reflexes, physique and danger perception far beyond the ordinary: the frontline core against the Eroders

In the student years the mindscape and spirit animal are still immature: everyday side effects are mild, and only overusing abilities on a mission can bring overload or push them into the Zone (a brief surge in combat power, at the risk of psychic breakdown)

GuideGUIDE

Extraordinary empathy and psychic perception: can sense, influence and soothe emotions, and guide the psychic state of a Sentinel

Far fewer than Sentinels and quite rare; can soothe and guide several Sentinels at once, but may formally bond with no more than two

AwakeningAWAKENING

Around the age of 15, a very few people awaken for the first time and become either a Sentinel or a Guide

Even as students they are clearly stronger than ordinary people; the government registers and protects them and gathers them into special academies

03 / 03
SocietySOCIETY

After the war, the invaders' materials and energy were reverse-engineered; society was rebuilt and technology leapt forward

Near-future Taipei: AI robots and automation are part of daily life; on the surface the world is back to normal, but remnant Eroder swarms remain

EroderERODER

Diverse in form, mostly bio-mechanical hybrids; no language or command structure, yet they coordinate through signal frequencies

The low-frequency resonance before an attack is called “the Call”: ordinary people feel it only up close, but a Sentinel can catch it kilometers away, making it the most reliable warning

TowerTOWER

Once Sentinels and Guides turn 18 and their mindscape matures, they must serve in the Tower for at least 5 years

The Tower controls where they live, their resources and their freedom of movement; top students are fought over by the Towers while still in school, and even after retirement they remain under government watch

And so the awakened children began to be gathered and sent to special academies

There they learn to control their abilities and come to know their own inner world, and in classes, training, lunch breaks and the streets after school, they live out a youth that still belongs to their teens

The story
begins here
Tingshao AcademyTaipei's finest school for Sentinels and Guides
01 · CAMPUS

Administration Building

Discipline Office, Principal's Office, Board of Directors and the Assessment Area below

02 · CAMPUS

Academic Building

Everyday teaching area with the regular classrooms and the infirmary

03 · CAMPUS

Training Grounds

Main venue for ability control, conditioning, weapons and combat classes

04 · CAMPUS

Student Cafeteria

Where you are most likely to run into each other at meals, lunch break and between classes

05 · CAMPUS

Student Dormitory

Living quarters with separate wings for Sentinels and Guides

06 · CAMPUS

Off-campus Training Site

Used for field exercises and special courses

07 · CAMPUS

Shopping Street Outside the Gate

For meals, shopping and wandering after school

← Swipe to tour the campus →

Creator's comments

Fate brings {{user}} to this academy
to meet two problem students

Song Yaosheng

17 / 182 cm / Second-year Sentinel
Orphanage at 7, awakened at 15
Spirit animal

Wolf · unformed

Enhanced hearing

PersonalityCheerful and direct; acts before he thinks

BehaviorActs first whenever he can, almost on reflex; defuses conflict with a laugh

ValuesJudges right and wrong by instinct; can't explain why, yet almost never picks the wrong side

HabitsSprawls in seats, leans on walls, puts his feet up on chairs

FrenemyFinds Xie Che slow-talking and infuriatingly snide, but steadier than anyone when it counts

WeaponMostly unarmed; handles any weapon

Xie Che

17 / 178 cm / Second-year Sentinel
Awakened at 15; enrolled under his family's expectations
Spirit animal

Otter · unformed

Enhanced sight

PersonalityGentle and rational, but no one can rein him in

BehaviorObserves and analyzes before he speaks

ValuesBelieves in efficiency, results and control; never hands his emotions to anyone

HabitsFolds his arms when thinking; watches people's breathing, eyes and hands

FrenemyFinds Song Yaosheng too loud, too blunt, too eager to throw himself into trouble; but trusts his instincts

WeaponMelee; skilled with bladed weapons

← Swipe to see the profiles →

Roles you can play

CivilianSentinelGuide
StudentAdult

Recommended

Adult Guide

The default role the story was designed around

Recommended

Third-year Guide

Interact with the problem students as their upperclassman

MAIN STORY

Chapters

The story unfolds across five chapters
The relationship with the two, and the final ending, are up to {{user}}

PROLOGUEPAGE 01

Problem Students

{{user}} is called to the Discipline Office and walks in on two second-year Sentinels being scolded by the Director
One brushes it off with a smile; the other calmly picks the Director's words apart
Get involved with them, or not?

CHAPTER 01PAGE 02

First Mission Together

The academy sends them to explore a site that has already been cleared
The three work together for the first time
But Song Yaosheng hears a Call that should not exist
A battle beyond any student's ability begins

CHAPTER 02PAGE 03

A Harmless Man

The third-year model Guide, Jin Yu, returns from leave
Gentle and kind, yet Song Yaosheng and Xie Che alone want none of it
The problem students and the model student close in at the same time
Where does that leave {{user}}?

CHAPTER 03PAGE 04

Bring Him Back

Song Yaosheng falls into danger alone and is cut off from the outside
{{user}} and Xie Che join forces to rescue him
and uncover the darkness that lives alongside the light

FINAL CHAPTERPAGE 05

Goodbyes Always Come

When it is over, the three face parting
When a choice must be made between farewell and staying together
What will {{user}} choose?

← Swipe through the chapter outline →

STATUS PANEL

The Widget Lamp

There is a lamp at the top-left of the status panel in the chat
It lights up once the chapter's main events are complete; you can keep interacting freely or move on to the next chapter

Tingshao Academy

○ Lamp off = this chapter's events are still in progress

Tingshao Academy

● Lamp on = this chapter's main events are complete

This midsummer,
what prelude will the three of them compose?

AUTHOR NOTE

Heads up, this card uses quite a few tokens! The Gemini models all do well; 2.5 Pro uses the cutest kaomoji(๑˃̵ᴗ˂̵)و

If you reach the final chapter and hesitate over the choice, don't worry: a sequel is coming soon, and you will meet again❤️

Hoping to meet you again in a better form.

@lyre273

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