Screenshots
Watch trailer on Steam ↗Holy Valkyrie ExS-TIA F
Lusterise · Published by Shiravune · Official site ↗
Content notice: Contains occasional crude humor. All characters are 18 years of age or older.
Positive — 91% positive (22 reviews)
Last updated 4 Oct 2026
From hit Japanese VN developer Lusterise! To investigate her mysteriously missing sister, Yuri sets out with Souma to a rumored island—only to discover Kaede Amakubo, who has no memories but looks exactly like her sister.
DJCTQ 12
£13.75
Lowest price we've ever recorded
View on SteamPrices can lag the live Steam store — always confirm before buying.
£13.75
Price history
4 Sept 2026Lowest: £13.75 · Highest: £13.7511 Oct 2026
Casual · 2026 · More £5 - £15 games
Explore an enigmatic island as Yuri, searching for clues about her missing sister. Will you uncover the truth or get lost in Kaede Amakubo's familiar yet elusive presence?
About this game
GAMEPLAY & FEATURES
- Single-ending visual novel with 20 minutes till credits
STORY
Strange news reaches the ears of Yuri Amakubo, the scientist behind the ExS-TIA system.
On a remote island in the middle of nowhere was a woman who was the spitting image of her older sister Kaede. To uncover the truth, Yuri immediately heads to the island with Souma.
There, they find Kaede—who remembers her name, but has lost all other memories. Surprisingly, she and Yuri possess identical pendants...
Could this be the key to unlocking her past?CHARACTER
Yuri Amakubo
The female scientist behind the ExS-TIA system. Possesses a keen instinct.
Kaede Amakubo
Yuri’s older sister. A sophisticated woman in contrast to Yuri. Her whereabouts have long been a mystery.
System Requirements
Will my PC run this? →Minimum
Minimum:
- OS: Windows 10/11
- DirectX: Version 9.0
- Storage: 1 GB available space
Recommended
Recommended:
- OS: Windows 10/11
- DirectX: Version 9.0
- Storage: 1 GB available space
Supported Languages
English, Simplified Chinese, Traditional Chinese
Latest news
AnnouncementsOfficial
Holy Valkyrie ExS-TIA Parallel Episodes OUT NOW from Shiravune!
Holy Valkyrie ExS-TIA Parallel Episodes OUT NOW!! ➡ Holy Valkyrie ExS-TIA P Parallel Episode 1: Magical Girl Pastel Marie ➡ https://store.steampowered.com/app/3397120 Holy Valkyrie ExS-TIA F Parallel Episode 2: Reunion ➡ https://store.steampowered.com/app/3508150 Holy Valkyrie ExS-TIA TS Parallel Episode 3: Twilight Sabre ➡ https://store.steampowered.com/app/3508170 Please consider leaving a positive review if you enjoyed the game. Your support means a lot to us! Wishlist Upcoming games from Shiravune and Co-FUN Games➡ https://store.steampowered.com/app/3397100/Eye_of_the_Incubus/?curator_clanid=35756289 http://store.steampowered.com/app/3690240/Project_Android/ https://store.steampowered.com/app/3700360/Princessfall/ https://store.steampowered.com/app/3779570/Heavenly_Island https://store.steampowered.com/app/3500590/Cicada_Communication https://store.steampowered.com/app/2743810/Kudos_Kuppa/ https://store.steampowered.com/app/3700350/Kokuhaku_Confessional/ https://store.steampowered.com/app/3891200/Cosplaying_in_Costalia_The_Tororo_Sisters/ https://store.steampowered.com/app/3591390 https://store.steampowered.com/app/3832700 Follow Shiravune for our latest news: Steam Publisher Page Twitter Discord WebsiteRead full article on Community Announcements (echen-*****)AnnouncementsOfficial
Wishlist Holy Valkyrie ExS-TIA F now to get notified on release day!
Wishlist now ➡ https://store.steampowered.com/app/3508150/ExSTIA_F/ https://clan.cloudflare.steamstatic.com/images/45653574/a5d34d2e2a41b7e62641fe708d09f78dd0dca3fa.jpg Wishlist Upcoming Shiravune Games ➡ https://store.steampowered.com/app/3143580/Holy_Valkyrie_EXSTiA_Concerto_2/?curator_clanid=35756289 https://store.steampowered.com/app/2893530/Pillaged_Village_Humbled_by_Savages/ https://store.steampowered.com/app/2939770/Labyrinth_Flowers/?curator_clanid=35756289 https://store.steampowered.com/app/2939800/Beastkin__Training_The_Trials_of_a_Beastkin_Noblewoman/?curator_clanid=35756289 https://store.steampowered.com/app/3143540/Encode_Encore/?curator_clanid=35756289 https://store.steampowered.com/app/3216170/Succubers_Dark_Covenant/?curator_clanid=35756289 https://store.steampowered.com/app/3216190/Yokai_Busters/?curator_clanid=35756289 https://store.steampowered.com/app/3260080/Valkyrie_Destruction/?curator_clanid=35756289 https://store.steampowered.com/app/3143570/Holy_Valkyrie_EXSTiA_Concerto_1/ https://store.steampowered.com/app/3143550/Liz_and_Roses_Alchemy_Factory/?curator_clanid=35756289 https://store.steampowered.com/app/1369790/Marshmallow_All_the_Way_Home/?curator_clanid=35756289 https://store.steampowered.com/app/3397100/Eye_of_the_Incubus/?curator_clanid=35756289 https://store.steampowered.com/app/3410630/Waning_Flowers_of_a_World_Eternal__The_Rainbow_Appears_After_Flowering_Rain/ https://store.steampowered.com/app/3397120/Holy_Valkyrie_ExSTIA_P/ https://store.steampowered.com/app/3591400/Cosplayers_Quest/ https://store.steampowered.com/app/3224670/Double_Date_Dilemma/ https://store.steampowered.com/app/3488820/My_Wifes_Voice_Through_the_Wall/ Follow Shiravune for our latest news: Steam Publisher Page Twitter Discord WebsiteRead full article on Community Announcements (AirAIR)
