What You Need to Know:
- The popular adventure game Hito no Calendar came to an end Sunday, August 31. Following the conclusion of the game, multi-talented singer, voice actress, and actress Nonoka Obuchi released the game’s theme song “Hachigatsu no Afterglow” as her new digital single at midnight on September 1.
- Hito no Calendar is the latest installment in the Hito no Wallet series by D4KK(Daiyonkyokai), a group of creators that weave stories in the space between reality and virtuality. It went on sale on the official online shop in May.
- The game is described as “a web-based adventure game that begins with a young girl’s calendar.” The story would develop in real time until Sunday, August 31 when it reached its ending. The ending theme song was revealed at that moment as Nonoka Obuchi’s “Hachigatsu no Afterglow.”
- In tandem with the game’s conclusion, “Hachigatsu no Afterglow” was promptly released as a digital single at midnight Monday, September 1. The single marks her very first grand ballad, featuring emotional vocals and the sound of live instruments that bring the scenes to life in a way that will leave a lasting impression on listeners.
- A digital jacket design was released alongside the single featuring an illustration that was used in the game. Listeners can check out the design on the official audio.
Release Information
Hito no Calendar Theme Song “Hachigatsu no Afterglow”
Artist: Nonoka Obuchi
Digital Release: September 1, 2025
Track Information
“Hachigatsu no Afterglow”
Lyrics: Yuki Kawano
Composer/Producer: Yosuke Kori
Distribution information
Available on streaming services and major download sites such as the iTunes Store, RecoChoku, and mora.
Streaming services: Apple Music, LINE MUSIC, Amazon Music Unlimited, AWA, KKBOX, Rakuten Music, Spotify, YouTube Music.
Stream/Download Link: jvcmusic.lnk.to/HachigatsunoAfterglow
Nonoka Obuchi's Profile
Birthday: March 13
Place of Birth: Saitama Prefecture
Blood Type: A
Height: 147 cm
Hobbies: Reading, listening to music, eating super spicy foods
Special Skill: Reading news manuscripts
She began her career in entertainment at a young age, showcasing her multifaceted talents by placing in a singing audition program, appearing in the stage production Lycoris Recoil, and serving as a student newscaster on ABEMA and BS Asahi.
After winning the Special Award at FlyingDog’s InuCon! audition, she began her career as a voice actress and singer. She made her singing debut with the ending theme song of the TV anime Mysterious Disappearances, which aired in April 2024.
She performed the opening theme song for TV anime I’m a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl’s Pet, in which she also voices the character Lily. On September 1, 2025, she released her digital single “Hachigatsu no Afterglow,” the theme song for the adventure game Hito no Calendar.
Official Site: e-stonemusic.com/nonoka
Official X: twitter.com/tiny_WildFlor
Official Instagram: instagram.com/tiny_wildflor
Official YouTube: youtube.com/@obuchinonoka
Official TikTok：tiktok.com/@obuchinonoka
Source: Official Press Release