Grisaia Phantom Trigger Vol.4
Released Jan 2018
Taiga is an elementary student applying to join Class A, the combat unit. Her transfer is approved, but there's one catch: Chris must supervise her. All is well until a terrorist attack breaks out, and Chris rushes off alone. SORD is powerless - what will they do?
97% positive · 134 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to buy
Steam $7.49 $14.99 −50%
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Evaluation
Grisaia Phantom Trigger Vol.4 is a standalone volume in a serialized visual novel series, released on January 25, 2018. It is a kinetic novel (no branching routes), meaning it was designed as a self-contained installment. Its only DLC — a character song for Rena — was released the following day on January 26, 2018. No further DLC has been announced or listed for this specific volume. The developer, Frontwing, has continued releasing other games in the broader Grisaia series (such as Grisaia Chronos Rebellion in July 2023) and entirely new titles, but none of these are content additions to Vol.4 itself. The news posts associated with this game's store page are general Frontwing publisher announcements promoting other products, with no communications about new content for Vol.4. This volume shipped as a complete, finished installment and has received no post-launch content updates beyond its day-one character song DLC.
Evidence
The only DLC — a character song for Rena — was released on January 26, 2018. No unreleased DLC exists for this volume.
Vol.4 is a kinetic visual novel (no branching routes), released as a self-contained installment in the serialized Grisaia: Phantom Trigger series.
Content
1 of 1 released · no outstanding content
Media
Details
Developer
Publisher
Frontwing USA
Achievements
25
Platform
Windows
Controller
partial support
Steam Deck
Not rated
Players
Single-player
About this game
Grisaia: Phantom Trigger is a visual novel. More specifically, it is a kinetic novel, without any branching routes. Returning character artist Akio Watanabe and writer Ryuta Fujisaki bring you the latest installment in the acclaimed Grisaia series, "Grisaia: Phantom Trigger".
"
Story:
Kumashiro Megumi (Gumi), recently transferred from St. Aile's International School, has been training hard together with Rena and Maki - now fully recovered from their injuries. With the help of her mentor, Tohka, she’s shaping up to be a fine sniper.
Just as one new student settles in, another has her sights set on joining the girls in Class A, Mihama’s elite combat unit. Her name? Sengoku Taiga. Haruto, the team’s handler, has one condition for Taiga’s transfer: that Chris serves as her supervising officer.
The two seem an unlikely pair at first, but after spending some time with little Taiga, Chris soon finds a way to see things from her perspective.
It’s at that moment that the nation is suddenly rocked by a terror attack on an unprecedented scale. Chris rushes to the scene, aware of what’s at stake, but paying no heed to the dangers ahead.
Just as she did, once before.
“This is even worse than we could’ve imagined...”
“Two of the guys are dead! What happened? What the hell happened!?”
“Y’know what it means to bring nukes into the country...?”
“It’s scary, shooting someone for the first time... My legs are shaking.”
“That fool... Is she trying to ruin everything!?”
The death toll keeps on rising, but SORD are stuck watching helplessly from the sidelines. What destiny awaits Chris, Taiga... and Mihama Academy?
“Oh, right... I must have died...”
Clutching to memories of her long-dead mother, she too prepares for an eternity of slumber...
"
Story:
Kumashiro Megumi (Gumi), recently transferred from St. Aile's International School, has been training hard together with Rena and Maki - now fully recovered from their injuries. With the help of her mentor, Tohka, she’s shaping up to be a fine sniper.
Just as one new student settles in, another has her sights set on joining the girls in Class A, Mihama’s elite combat unit. Her name? Sengoku Taiga. Haruto, the team’s handler, has one condition for Taiga’s transfer: that Chris serves as her supervising officer.
The two seem an unlikely pair at first, but after spending some time with little Taiga, Chris soon finds a way to see things from her perspective.
It’s at that moment that the nation is suddenly rocked by a terror attack on an unprecedented scale. Chris rushes to the scene, aware of what’s at stake, but paying no heed to the dangers ahead.
Just as she did, once before.
“This is even worse than we could’ve imagined...”
“Two of the guys are dead! What happened? What the hell happened!?”
“Y’know what it means to bring nukes into the country...?”
“It’s scary, shooting someone for the first time... My legs are shaking.”
“That fool... Is she trying to ruin everything!?”
The death toll keeps on rising, but SORD are stuck watching helplessly from the sidelines. What destiny awaits Chris, Taiga... and Mihama Academy?
“Oh, right... I must have died...”
Clutching to memories of her long-dead mother, she too prepares for an eternity of slumber...
Are these done yet?
![[TDA01] Muv-Luv Unlimited: THE DAY AFTER - Episode 01 REMASTERED](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1407090/3b5b67f47092a5ecf5f14e8dddadb13a72b936ac/header.jpg?t=1768296236)
![[TDA03] Muv-Luv Unlimited: THE DAY AFTER - Episode 03 REMASTERED](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/789830/a295131fdb93920b2da60659e59d8d81b5cba33a/header.jpg?t=1768296271)
![[TDA02] Muv-Luv Unlimited: THE DAY AFTER - Episode 02 REMASTERED](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1342410/f90ab2aebac1d41f8fd172040b6a77f1a31df368/header.jpg?t=1768296255)
Last evaluated Jun 27, 2026
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