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Paradise’s 22nd White Bunny is the September 8, 2026 update for Duet Night Abyss, identified as version 1.6 by secondary coverage. It adds a new story and exploration area, makes Falsi obtainable through play or the Shop, and introduces weapons and outfits on staggered schedules. The story area and Falsi are marked as permanent additions; several cosmetics are tied to time-limited events.
When did the update launch?
The official Steam update notice scheduled maintenance for September 8, 2026, from 08:00 to 15:00 UTC+8. The publisher’s Japanese announcement listed a 16:00 JST launch on September 8. These are region-specific times, not a single universal launch time. Check the in-game event panel for current availability and deadlines.
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
|
The Abyss Gazes Also Into You. | $2.99 | Buy on Amazon |
What story and exploration content is new?
The update adds Twilight Arc Chapter 2: Paradise’s 22nd White Bunny, the Pandora’s Box side quest, and Sojourns of the Pages of Time stories for Eve and Falsi. The official update notice says this story content is permanently available after the update. Its story listing carries the official copy, “Any peace born of fear will end in fear.”
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Exploration expands to Mount Arcano, comprising three named areas:
#1 Best Overall
- Arcano
- Arcano Ruins
- Mount Arcano Rift
The publisher describes Arcano as a town that appears peaceful but is governed by strict rules: residents wear status badges and follow prescribed routines. That description is the publisher’s framing of the setting.
How to get Falsi
Falsi is a Pyro character proficient with dual blades and dual pistols. The official notes mark her permanently available after the update. Players can obtain her through a free gameplay route or buy her from the Shop.
Free route: Secret Letter
Challenge Immersive Theatre and collect Falsi’s commission letter to exchange for the character. The official notes identify the Secret Letter as an Immersive Theatre reward. Because the listed limited-time rewards change on September 29, check the current event and reward rotation before planning around this route.
Shop route
The Shop is the alternative acquisition route. The cited announcements do not give a price, so check the in-game listing for current terms.
Which weapons were added, and when?
| Weapon | Type | Availability and route |
|---|---|---|
| Stifled Howl | Dual blades | Available from the September 8 update; free through forging or purchasable in the Shop. Its Secret Letter is available in Immersive Theatre’s Memento. |
| Sanguis Sanctus | Whipblade | Listed as permanently available after September 29; free through forging or purchasable in the Shop. Its Secret Letter comes from Nocturnal Echoes stages. |
| Sanguine Plume | Dual-pistol Calamity weapon | Free through forging. Its blueprint/reward route is tied to Immersive Theatre and becomes permanently available after September 29. |
The dates and routes above follow the official update notice and publisher announcement; check the game for the active reward source and Shop listing.
What outfits are available, and when do their events end?
| Outfit or set | Character(s) | Published event window and access details |
|---|---|---|
| Black Artemis | Falsi | From after maintenance on September 8 through October 19, 2026, at 18:00 JST. Available through the Long Road’s End Myriad event or an exchange route using a Rainbow Prism. The publisher lists story/Myriad unlock prerequisites. |
| Capriccio of Whimsy | Berenica and Psyche | September 29 through November 9, 2026, at 18:00 JST. The publisher describes a draw using Starweave Thread with eight rewards; a top reward grants a skin and the remaining prizes in that round. |
| City Rules | Includes Nifle | September 8 through October 19, 2026, at 18:00 JST. The publisher says Nifle’s police-themed outfit can be earned free by participating in Star Memorial. |
These are publisher-announced JST windows; do not treat them as server-time deadlines. Event access can vary by region or later notice, so confirm the timer and prerequisites in-game. These event windows do not establish permanent availability for the outfits.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What else changes in the update?
The official notes and publisher announcement describe several play and interface changes:
- New players can unlock the new main story earlier.
- Non-infinite Noctoyager Manual commissions gain an auto-continue option.
- Auto-fishing is added conditionally.
- A co-op lobby supports matching; the publisher also describes changes to weekly free room creation and participation rewards in Immersive Theatre: Ensemble Act.
- An auto-summon lineup toggle is added.
- Additional character weapon proficiency is included.
The update notice also lists PC support for Xbox Series and Xbox Elite Series controllers, DualSense, DualSense Edge, and DUALSHOCK 4. It recommends a wired connection for DualSense and DUALSHOCK 4; a controller is optional, not a game requirement.
Quick Recap
Sources
- Official Duet Night Abyss Steam Community version update notes, posted September 7, 2026.
- Publisher announcement via PR TIMES, September 8, 2026.
- Inven Global coverage of version 1.6, September 7, 2026.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
