9-nine-:Episode 4

9-nine-:Episode 4

Released Mar 2021

Kakeru and his friends uncover the identity of the mastermind behind the incidents in Shiromitsugawa as the story shifts to focus on Noa Yuuki, a girl with a strong sense of justice. What secrets will they uncover about the Artifacts and the bonds that ties them all together?

97% positive · 1,460 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence

Where to buy

Steam $19.99
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Evaluation

9-nine-: Episode 4 is the fourth and final volume in the 9-nine- visual novel series, releasing on March 19, 2021. The store description makes clear this entry is the concluding chapter of the series — it reveals the villainous mastermind, resolves the central mystery of the Artifacts, and wraps up the overarching narrative that ran across all four episodes. There is no post-launch DLC, no announced future content, no season pass, and no developer communications indicating further content is planned. The game launched as a complete, self-contained story and appears to have shipped as a finished product with no ongoing content cycle. The series itself is presented as complete with this fourth volume.
Evidence
Episode 4 is explicitly described as the final volume of the 9-nine- series, resolving the overarching mystery and revealing the mastermind — indicating this is the concluding entry with no further installments implied.
description · Mar 19, 2021 source development ending
high
Short description frames Episode 4 as the resolution of the central story arc, with no mention of future content or additional episodes.
store metadata · Mar 19, 2021 source development ending
medium

Media

Details

Developer
Publisher
Sekai Project
Achievements
—
Platform
Windows
Controller
—
Steam Deck
Playable
Players
Single-player

About this game

Spoilers from the previous games contained below, read with caution.

Concept

9-nine- Episode 4 is the fourth volume in a series of supernatural mystery games, with Episode 4 telling a story centered around Noa Yuuki. The entries in the the 9-nine- series share the same setting and world, but each entry focuses on a different heroine. The villainous mastermind is revealed, friends are at odds, the mystery of the Artifacts uncovered, and bonds are tightened through mutual trust. What lies in store for this young man and woman with the power of justice at their fingertips in this installment?


This game differs from the other games in that the story structure assumes that you have already played the past titles (9-nine- Episodes 1-3.) You will be able to enjoy this as a standalone title as well, but we highly suggest that you play this game after playing the other titles in the series. Each game has an independent story that can be enjoyed on its own. We hope you enjoy the experience that is the 9-nine- series.


9-nine- takes place in the run-of-the-mill college town of Shiromitsugawa where an earthquake breaks a sacred artifact from the Shrine of the White Serpent, unleashing jewelry-like items that bestow their holder's special powers called "Artifacts" from a parallel world. When an incident involving a power that transcends human comprehension, Kakeru Niimi, our protagonist, investigates several branches (parallel worlds) in order to settle the matter.

With the mastermind finally revealed, Sophitia, otherworldly entity set to reclaim the Artifacts, tells him to defeat this person pulling the strings. The first day, the day that the festival was cancelled due to the earthquake back at the shrine—Kakeru is now equipped with memories from every branch and is on the move to solve this conflict.

Amidst this, a girl with a strong sense of justice from Kuho Girls Academy, Noa Yuuki, has an ability that seems to be the key to defeating the mastermind. Knowing this, Kakeru divulges about the events in other branches to her. All the while uncovering the secrets behind why the Artifacts come to this world, settling the scores with the Evil Eye's User, what will be the fate of these young men and women with otherworldly power at the fingertips?


  • Gorgeous art from Izumi Tsubasu (Artist of SakuSaku:Love Blooms with the Cherry Blossoms)
  • Gripping story written by scenario writer, Kazuki Fumi
  • Multi part series with independent stories per episode
  • CG gallery
  • Music gallery
  • Movie gallery
  • FULL Japanese voice acting (Including the main character!)
  • Japanese, English, and Chinese text. Dual-lang display options
Last evaluated Jun 16, 2026
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