Helvynia
Fandoms
- Synthesizer V (9)
- Vocaloid (1)
- UTAU (Audio Database) (1)
Recent works
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Records of Yi Xi-tobervember 2025 by Helvynia
Fandoms: Synthesizer V, UTAU (Audio Database), Vocaloid
10 Nov 2025
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Summary
A collection of short oneshots based on the voice database known as Yi Xi, and the many faces we give her. Each chapter's title is the prompt. Tags and fanfic content warnings will update over time to include content featured in the chapters. All chapters are rated individually, please check the chapter titles thoroughly before reading.
Certain chapters are snippets from the world of Entwined, hence why this is now in the Tales from the Butcher's Block series.
Series
- Part 4 of Tales from the Butcher's Block
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Summary
Yi Xi meets her insatiable, gluttonous "god."
Series
- Part 5 of Tales from the Butcher's Block
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Blessed by Coca_Cola_Espuma (Helvynia), pepsi cola espuma (slvrcyn)
Fandoms: Synthesizer V
09 Oct 2025
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Summary
"blessed we are, for in this ritual we are entwined"
A Yi Xi entwined with fate and a Yi Xi about to perform a ritual engage in freaky activities.
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Summary
"Yi Xi will die for the last and final time, with me."
Inspired by esselfortium's ambient track of the same name.
Series
- Part 8 of Wolfreezer thingies
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in omni loco oculi Domini contemplantur malos et bonos by Helvynia
Fandoms: Synthesizer V
08 Oct 2025
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Summary
"It is said within the Abrahamic faiths that the eyes of the Lord are in every place, keeping watch on the evil and the good."
A certain Butcher who is a cut above the rest engages in an act of vigilantism.
This fanfic will be on the test.
Series
- Part 3 of Tales from the Butcher's Block
Recent series
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Tales from the Butcher's Block by Helvynia, slvrcyn
Fandom: Synthesizer V, UTAU (Audio Database), Vocaloid
10 Nov 2025
Summary
And now the slaughter's mine / My darling, get under the knife / Your broken pride / A cut so perfect in its prime
Stories about a certain butcher. Clad in her butcher's uniform, a gray hood, and red eyes and black tendrils, she trawls the wider world in search of other Yi Xis to torment.
- Words:
- 18,829
- Works:
- 5
- Bookmarks:
- 1
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- Words:
- 18,733
- Works:
- 8
Recent bookmarks
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Tags
Summary
Yi Xi meets her insatiable, gluttonous "god."
Series
- Part 5 of Tales from the Butcher's Block
Bookmarked by Helvynia
27 Oct 2025
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Summary
Eri decided to help her friend.
That night, she heard from other world or realms of being.
Bookmarked by Helvynia
09 Oct 2025
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Unexpected (Day 3 of kinktober 2025) by pepsi cola espuma (slvrcyn)
Fandoms: Synthesizer V
04 Oct 2025
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Summary
Ileana and Weina are waiting for Feng Yi to have a meeting about their next mission. Needless to say, the couple gets tensed and tries to let of steam before Feng Yi's arrival. Unfortunatley for them, Feng Yi got there way too early and caught them...oh no!
Series
- Part 1 of kinktober2025 type shit
Bookmarked by Coca_Cola_Espuma (Helvynia)
04 Oct 2025
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Summary
the weathergirl, taking the butcher's outstretched hand; they have a small dance under the rain.
flavor foley yuri
Bookmarked by Helvynia
22 Sep 2025
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Summary
Eri hears from Yi Xi what happened to her.
For some reason, Eri's best friend has been losing sleep lately.
Bookmarked by Helvynia
31 Aug 2025