Synopsis
What if my VTuber oshi was my stepsister?
A cheerful, lewd VTuber’s masturbation support audio.
A nervous, socially awkward stepsister who tries her best to do sexual play.
Plus, NTR sex in the middle of a stream, lots of whispering and blowing in your ear, and a heartwarming story!
Always tired from work, you listen to the VTuber Harmoniel’s sweet, supportive masturbation support livestreams every day to unwind.
Then one day, you discover that Harmoniel’s true identity is your stepsister Saki!
She begs you not to tell anyone and says that she’ll do anything in exchange.
And so, in order to improve your oshi’s livestreams, you decide to help your virgin stepsister practice sex.
[Character Introduction]
Harmoniel (CV: Minase Suzuka)
A sisterly fallen angel who was exiled from the the heavenly realm and does unannounced livestreams.
She formed a church in the human world and exorcises devils with the power of rock ‘n’ roll… That’s her VTuber lore.
She has been streaming on an adult streaming site for about half a year and has about 10,000 subscribers.
She mainly does supportive, pampering masturbation support streams.
She calls her fans “little devils”.
Saki
The real face of Harmoniel. She’s also your stepsister.
She’s normally a plain, shy, nervous otaku girl.
When she’s streaming, she becomes her ideal self who’s loved by everyone.
She loves you, her stepbrother.
She’s secretly a pervert who also loves cocks.
[Track List]
#01 Morning Mass (Masturbation Support Stream) 24:04
[Whispering / Breathing / Masturbation Support / Masturbating together]
#02 Handjob in Her Streaming Room 19:46
[Whispering / Breathing / Ear-sniffing / Handjob / Cumming in mouth and swallowing]
#03 Blowjob Training 19:39
[Aroused cock-sniffing / Dick cheese-chewing / Blowjob / Stroking / Talking with her mouth full / Swallowing]
#04 Awkward Dirty Talk and Exciting Virginity-Losing Sex 22:02
[Virginity-losing sex / Whispering / Creampie]
#05 Exposed Sex, Backlash, and Confession on Stream 24:20
[Whispering / Breathing / Sex / Creampie / Multiple orgasms / Peeing / Ear-Licking / Confession / Pseudo-NTR]
#06 Flirting in Bed 13:41
[Whispering / Breathing / Sex / Creampie / Acting]
[Extras]
Confession audio recording 2:19
Ear-licking looped tracks 10:07
Harmoniel’s special masturbation support livestream audio 10:51
Free talk 4:13
Total duration: Approx. 150 min.
* Comes with MP3, SFX-less WAV, and SFX-less MP3 versions.
[Credits]
Scenario: Azu Hoshizaki
Editing: Defas
Voice Actress: Minase Suzuka
Illustration: Isenori
Logo: Tokage Design-bu
Sound Effects:
Die Brust “Various Sound Effects 100”
Atelier Honey* “Everyday Life Sounds”
shinsanworks “Adult SFX Materials Collection for Your Product!”
okojo suisei “[Sound Effects] Ejaculation Sounds”, “[Sound Effects] Wet Pussy-Fingering”, [Sound Effects] Spraying Sounds
pigmyon studio “pigmyon Sound Effect Resources 037 Event 01”
DLsite Creator Academy “Easy-to-Use for Adult Works! Professional Sound Effects”
(English product description provided by “Awkward Zombie”.)
Please be aware that limited-time exclusive content is not included in the translated versions of products which have been translated via the Translators Unite project.
| Circle | Studio Smoke |
| Tags | R18, Voice / ASMR, WAV, English |
| Price | 924JPY |
Editorial Review
This work occupies the intersection of VTuber fantasy and stepsibling taboo—a natural pairing in contemporary adult voice work, though the execution here pivots toward earnest character development rather than pure transgression. The premise leverages the voyeuristic appeal of “discovering your oshi’s real identity” while anchoring the fantasy in a domestic, relationship-building frame that distinguishes it from typical NTR scenarios.
The distinctive hook lies in its tonal balance. Rather than leaning into humiliation or betrayal (standard NTR fare), the synopsis emphasizes a “heartwarming story” alongside the sexual content, with Saki positioned as a socially awkward character genuinely seeking improvement and support. The KU100 binaural recording format combined with explicit whispering and ear-blowing sequences suggests production quality designed for intimate immersion—this isn’t just audio narration but a technically precise ASMR experience. Minase Suzuka’s dual-character performance (the confident persona of Harmoniel versus the nervous stepsister beneath) creates a performance space that rewards attention to vocal nuance. The inclusion of mid-stream sexual activity also signals a deliberate subversion of the “public/private” boundary, blending the exhibitionist fantasy with intimate knowledge.
The English subtitle option widens accessibility beyond Japanese-language listeners, a practical choice that reflects the expanding English-speaking doujin audience.
This appeals most to listeners seeking character-focused narrative depth within adult voice work—those drawn to the “girlfriend experience” subgenre but seeking slightly higher dramatic stakes and persona play. The combination of VTuber roleplay, binaural ASMR production, and stepsibling dynamics with emotional scaffolding remains uncommon enough to warrant attention.
A well-produced character study that uses NTR framing less as edgeplay and more as the pretense for genuine intimacy.
Get “[ENG Sub] VTuber NTR: I Had Se” on DLsite
English Version → Free TrialJapanese Original
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Related Tags:
R18 | English | Voice / ASMR | WAV | Comics
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