📝 Highlights & Appeal Light spoilers
01① Vocaloid producer Harumaki Gohan's first original long-form anime
A new challenge from an artist who has long handled music, illustration, and animation single-handedly.
02② A mystery built around a village legend of lookalikes
The eerie legend "if you're not a good child, a lookalike will come for you" runs through the entire story.
03③ Terror begins with "the person in that house isn't your sister"
An unsettling phone call, right after reuniting with her supposedly discharged sister, sets the story in motion.
04④ Anime and Vocaloid songs fused into one narrative
A signature Harumaki Gohan technique where a series of VOCALOID songs and each episode weave together into a single story.
05⑤ A 3-episode series unfolding over about a year
Three roughly 25-minute episodes are being released sequentially over about a year, starting January 2026.
06⑥ The sisters are voiced by Ishukaijo and Erika Miyazaki
Popular singer Ishukaijo voices the elder sister Sui, while newcomer Erika Miyazaki makes her voice acting debut as younger sister Akane.
07⑦ Set in Kagami-mi, a village left behind by technology
A mountain village in the Tokai region, left behind by the development of "Tokyo Colony," serves as the story's stage.
08⑧ Streaming free on YouTube, niconico, and bilibili
Available for free viewing on the official site as well as major video platforms.
💡 Key Points & Predictions Some spoilers
Episode 1, "The Phone Call," released on January 31, 2026, and the series continues to roll out as of July 2026. Since the full 3-episode arc is planned to unfold over about a year, check the official site and social accounts for the next release date.
🧾 Story So Far Contains spoilers
In the distant future, middle schooler Akane Higure lives in the mountain village of Kagami-mi. Her joy at reuniting with her sister Sui, freshly discharged from the hospital, is short-lived when she receives an unsettling phone call claiming "the person in that house isn't your sister." The village legend that "a lookalike comes for children who misbehave" begins to cast a shadow over Akane's everyday life.
✅ Recommended Viewing Points
Recommended for fans of works that fuse VOCALOID music with animation, and anyone who enjoys mystery-horror built around doppelganger motifs.
👀 Trivia & Fun Facts
・Production is credited to the indie team "Studio Gohan"
・The promotional song "Doppelganger" is also distributed as a standalone VOCALOID track featuring Hatsune Miku
💫 Unresolved Foreshadowing Contains spoilers
・The core mystery of who's calling, and whether the "Sui" at home is genuine, remains unresolved
・Since the 3-episode arc unfolds over a full year, how much of the "lookalike" truth is revealed in the next episode is the biggest point of anticipation
💌 Predicted Viral Quotes for Next Season
・The song "Doppelganger" is an original composition written specifically for this series