"Roppongi Sadistic Night" 10th Anniversary Collaboration Project Part 2 Features "Assault Lily Last Bullet" Collaboration Starting April 24 (Friday)
Voltage Co., Ltd. announced that a collaboration project with the app game "Assault Lily Last Bullet" has started on April 24, 2026 (Friday) for its card-based suspense app "Roppongi Sadistic Night," as part of its 10th-anniversary celebration.
📋 Article Processing Timeline
- 📰 Published: April 25, 2026 at 00:00
- 🔍 Collected: April 24, 2026 at 15:32
- 🤖 AI Analyzed: April 24, 2026 at 23:58 (8h 26m after Collected)
Voltage Co., Ltd. (Headquarters: Shibuya-ku, Tokyo; Representative Director: Yuji Tsutani) is pleased to announce that a collaboration project with "Assault Lily Last Bullet," an app game from the Assault Lily Project, has commenced on April 24, 2026 (Friday) within its card-based suspense app "Roppongi Sadistic Night."
"Roppongi Sadistic Night" is a card-based suspense app set in Roppongi, where players tackle incidents with a "team" composed solely of beautiful women. Since its launch in 2015, it has garnered support for its instinct-appealing stories, diverse multi-endings, and over 4,000 types of card illustrations, celebrating its 10th anniversary in November 2025. Currently, the app is running various projects to commemorate its 10th anniversary, and one of the notable initiatives is collaborations with multiple titles. This project marks the second installment of such collaborations.
This project will feature a collaboration gacha with "Assault Lily Last Bullet." Limited new illustration cards featuring "Renka Iijima" from "Assault Lily Last Bullet" in collaboration outfits and "Yuuki Touhou" from "Roppongi Sadistic Night" will appear. Furthermore, these collaboration cards will include newly recorded voices by popular voice actress Erika Ishitobi. Please enjoy these special cards that can only be obtained here.
Additionally, to commemorate the collaboration, a present campaign will be held on social media. This project offers a chance to win a QUO card set featuring collaboration illustrations through a lottery, so please take this opportunity to participate.
In gratitude to all the fans who have supported us, we are rolling out numerous special projects to celebrate our 10th anniversary. Please continue to look forward to the evolving "Roppongi Sadistic Night."
"Roppongi Sadistic Night" 10th Anniversary Collaboration Special Site: https://products.voltage.co.jp/roppongi10th-collaboration
"Roppongi Sadistic Night" Official Website: http://sus-app.voltage.co.jp/roppongi.html
"Roppongi Sadistic Night" Official X (@ropng_night): https://x.com/ropng_night
## Roppongi Sadistic Night x Assault Lily Last Bullet
Newly Drawn Cards Appear!
Limited new illustration cards featuring "Renka Iijima" from "Assault Lily Last Bullet" in collaboration outfits and "Yuuki Touhou" from "Roppongi Sadistic Night" will appear.
Enjoy a new side of the two characters with special visuals unique to this collaboration.
Furthermore, these collaboration cards will include newly recorded voices by popular voice actress Erika Ishitobi. As they will be available for a limited time, please take this opportunity to enjoy them.
## Assault Lily Last Bullet Collaboration Commemoration!
Special Offer Implemented
To commemorate the holding of this collaboration, we are offering a special offer with a 5x MR probability and a super increased probability for collaboration MR Yuuki Touhou & Renka Iijima. Additionally, luxurious bonuses can be obtained each time a 10-pull offer is performed. This is a special opportunity unique to the collaboration, so please take this chance to enjoy it.
### Presents for every 10-pull offer!
- 1st 10-pull: Gorgeous Diamond x1
- 2nd 10-pull: MR Probability 30% Offer Ticket (2 tickets of 15% each)
- 3rd 10-pull: Collaboration MR Renka exclusive MR accessory
- 4th 10-pull: Collaboration MR Yuuki exclusive MR accessory
- 5th 10-pull: Collaboration MR Probability 30% Offer Ticket (2 tickets of 15% each)
- 6th 10-pull: Gorgeous Diamond x1
- 7th 10-pull: Precious Diamond x2
- 8th 10-pull: MR Guaranteed Ticket
- 9th 10-pull: Collaboration MR Renka exclusive MR accessory
- 10th 10-pull: Collaboration MR Probability 30% Offer Ticket (2 tickets of 15% each)
- 11th 10-pull: Collaboration MR Yuuki exclusive MR accessory
- 12th 10-pull: Collaboration MR Probability 30% Offer Ticket (2 tickets of 15% each)
- 13th 10-pull: Old Episode MR [Following the "Path"] Yuuki Touhou x1
- 15th 10-pull: Old Episode MR [Spirit and Courage] Yuuki Touhou x1
Thereafter, a Collaboration MR Probability 30% Offer Ticket x1 will be given every 8th multiple + 4th time (12th, 20th, 28th, 36th, 44th, etc.).
"Roppongi Sadistic Night" is a card-based suspense app set in Roppongi, where players tackle incidents with a "team" composed solely of beautiful women. Since its launch in 2015, it has garnered support for its instinct-appealing stories, diverse multi-endings, and over 4,000 types of card illustrations, celebrating its 10th anniversary in November 2025. Currently, the app is running various projects to commemorate its 10th anniversary, and one of the notable initiatives is collaborations with multiple titles. This project marks the second installment of such collaborations.
This project will feature a collaboration gacha with "Assault Lily Last Bullet." Limited new illustration cards featuring "Renka Iijima" from "Assault Lily Last Bullet" in collaboration outfits and "Yuuki Touhou" from "Roppongi Sadistic Night" will appear. Furthermore, these collaboration cards will include newly recorded voices by popular voice actress Erika Ishitobi. Please enjoy these special cards that can only be obtained here.
Additionally, to commemorate the collaboration, a present campaign will be held on social media. This project offers a chance to win a QUO card set featuring collaboration illustrations through a lottery, so please take this opportunity to participate.
In gratitude to all the fans who have supported us, we are rolling out numerous special projects to celebrate our 10th anniversary. Please continue to look forward to the evolving "Roppongi Sadistic Night."
"Roppongi Sadistic Night" 10th Anniversary Collaboration Special Site: https://products.voltage.co.jp/roppongi10th-collaboration
"Roppongi Sadistic Night" Official Website: http://sus-app.voltage.co.jp/roppongi.html
"Roppongi Sadistic Night" Official X (@ropng_night): https://x.com/ropng_night
## Roppongi Sadistic Night x Assault Lily Last Bullet
Newly Drawn Cards Appear!
Limited new illustration cards featuring "Renka Iijima" from "Assault Lily Last Bullet" in collaboration outfits and "Yuuki Touhou" from "Roppongi Sadistic Night" will appear.
Enjoy a new side of the two characters with special visuals unique to this collaboration.
Furthermore, these collaboration cards will include newly recorded voices by popular voice actress Erika Ishitobi. As they will be available for a limited time, please take this opportunity to enjoy them.
## Assault Lily Last Bullet Collaboration Commemoration!
Special Offer Implemented
To commemorate the holding of this collaboration, we are offering a special offer with a 5x MR probability and a super increased probability for collaboration MR Yuuki Touhou & Renka Iijima. Additionally, luxurious bonuses can be obtained each time a 10-pull offer is performed. This is a special opportunity unique to the collaboration, so please take this chance to enjoy it.
### Presents for every 10-pull offer!
- 1st 10-pull: Gorgeous Diamond x1
- 2nd 10-pull: MR Probability 30% Offer Ticket (2 tickets of 15% each)
- 3rd 10-pull: Collaboration MR Renka exclusive MR accessory
- 4th 10-pull: Collaboration MR Yuuki exclusive MR accessory
- 5th 10-pull: Collaboration MR Probability 30% Offer Ticket (2 tickets of 15% each)
- 6th 10-pull: Gorgeous Diamond x1
- 7th 10-pull: Precious Diamond x2
- 8th 10-pull: MR Guaranteed Ticket
- 9th 10-pull: Collaboration MR Renka exclusive MR accessory
- 10th 10-pull: Collaboration MR Probability 30% Offer Ticket (2 tickets of 15% each)
- 11th 10-pull: Collaboration MR Yuuki exclusive MR accessory
- 12th 10-pull: Collaboration MR Probability 30% Offer Ticket (2 tickets of 15% each)
- 13th 10-pull: Old Episode MR [Following the "Path"] Yuuki Touhou x1
- 15th 10-pull: Old Episode MR [Spirit and Courage] Yuuki Touhou x1
Thereafter, a Collaboration MR Probability 30% Offer Ticket x1 will be given every 8th multiple + 4th time (12th, 20th, 28th, 36th, 44th, etc.).