Dies irae ~Amantes amentes~ Act I: Omnia Vincit Amor (Kasumi & Marie scenario)
Ren Fujii, a young man attending high school in Suwahara City, finds his friendship with his old buddy Shirou Yusa shatter to pieces following a certain incident, ending in a vicious fight that sees Ren hospitalized for two months. he season shifts from autumn to winter - to the dawning weeks of December, with Christmas on the horizon.
| Type | DLC |
| Release Date | 6/2/2017 |
| Developer | light |
| Publisher | views Co., Ltd |
| Last Updated | 1/27/2026 |
| Steam App Id | 645770 |
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About Dies irae ~Amantes amentes~ Act I: Omnia Vincit Amor (Kasumi & Marie scenario)
Dies irae ~Amantes amentes~ Act I: Omnia Vincit Amor (Kasumi & Marie scenario) is an Adventure, Gore, Violent, and Nudity DLC developed by light. On 6/2/2017, it was released on the Steam Store by views Co., Ltd. Dies irae ~Amantes amentes~ Act I: Omnia Vincit Amor (Kasumi & Marie scenario) can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this dlc app.
Dies irae ~Amantes amentes~ Act I: Omnia Vincit Amor (Kasumi & Marie scenario) also supports 3 languanges in-game including English, Japanese, and Chinese (Simplified). Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, Dies irae ~Amantes amentes~ Act I: Omnia Vincit Amor (Kasumi & Marie scenario) supports the following features:
- Family Sharing
- Downloadable Content
- Single-player
Media & Sceenshots
Explore the featured video and screenshots from Dies irae ~Amantes amentes~ Act I: Omnia Vincit Amor (Kasumi & Marie scenario) featured in the Steam Store.

DLC & Related Apps
Dies irae ~Amantes amentes~ Act I: Omnia Vincit Amor (Kasumi & Marie scenario) is referenced by 1 other related app in the Steam Store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
| Dies irae ~Amantes amentes~ | Game | 6/2/2017 | Steam Charts |
Related Packages
Dies irae ~Amantes amentes~ Act I: Omnia Vincit Amor (Kasumi & Marie scenario) is referenced by 1 package in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| Dies irae ~Amantes amentes~ Act I: Omnia Vincit Amor(香純・マリィルート) | $19.99 | View |
Supported Languages and Localizations
Dies irae ~Amantes amentes~ Act I: Omnia Vincit Amor (Kasumi & Marie scenario) is available in 3 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| Japanese | No | Yes | No |
| Chinese (Simplified) | Yes | No | Yes |
