Ai Addiction Inc.

Ai Addiction Inc. (株式会社Ai Addiction) is a Japanese sound production company based in Shinjuku, Tokyo. It was established in July 2012 when the sound production division of voice-acting agency EARLY WING was spun off as a wholly owned subsidiary. The company is led by representative director Junichi Inaba and is a full member of the Japan Audio Producers Association (日本音声製作者連盟). Ai Addiction's core business covers sound production for animation, drama CDs, games, and other media, as well as music production and sales, planning and production of live-action and other video content, and event planning and production. Its address is Kita-Shinjuku 1-6-11, Planet K B1, Shinjuku-ku, Tokyo. Since its founding, Ai Addiction has provided sound production for numerous television anime, theatrical anime, web anime, and overseas animation dubbing projects. Notable credits include "My Little Monster" (2012), "Noragami" (2013), "Durarara!!x2" (2015–2016), "Natsume's Book of Friends" seasons (2016–2018), "D4DJ First Mix" (2020), "The Quintessential Quintuplets" (2019, co-produced with eNa), and the "Mononoke" film trilogy (2024–2026). The company also handled the Japanese dub of the 2025 Chinese animated film "Ne Zha 2" in cooperation with Gekko. As a subsidiary of EARLY WING, Ai Addiction operates within a group that includes voice talent management, allowing it to integrate voice recording and audio post-production services for the anime and game industries. The company remains active as of the mid-2020s, with a growing list of credits across television, film, and streaming animation.

Ai Addiction Inc. was established in July 2012 as a spin-off of the sound production division of EARLY WING Inc., a Japanese voice-acting agency. It became a wholly owned subsidiary of EARLY WING and is a full member of the Japan Audio Producers Association (日本音声製作者連盟). The representative director is Junichi Inaba. The company began its anime sound production credits in 2012 with the television anime "My Little Monster" (となりの怪物くん). In 2013, it worked on "Noragami," "Samurai Flamenco," and "Gatchaman Crowds" (幻影ヲ駆ケル太陽). The following years saw involvement in a wide range of TV anime, including "Sekai Seifuku: Bouryaku no Zvezda" (2014), "Noragami Aragoto," "Durarara!!x2" (2015), and "Dance with Devils" (2015). In 2016, Ai Addiction contributed to "Durarara!!x2 Ketsu," "Natsume's Book of Friends Go," "91Days," "B-PROJECT," and others. The company also expanded into theatrical anime, starting with the "Digimon Adventure tri." film series (2015–2016) and "Popin Q" (2016). Subsequent theatrical credits include "Genocidal Organ" (2017), "Dance with Devils -Fortuna-" (2017), "Natsume's Book of Friends the Movie" (2018), "Shimajiro" films (2021), "100 Days Until I Die" (2021), and the "Mononoke" film trilogy (2024–2026). In 2019, Ai Addiction co-produced sound for "The Quintessential Quintuplets" with eNa. The 2020s brought continued TV anime credits such as "D4DJ First Mix" (2020), "Visual Prison" (2021), "D4DJ Double Mix" (2022), "Dolls' Frontline" (2022), and "D4DJ All Mix" (2023). The company also worked on web anime including "Ojamajo Doremi Owarai Gekijo" (2019), "Altered Carbon: Resleeved" (2020), "Hairpin Double" (2021), "Night Country" (2021), "Rhapsody" (2023), and "Ooku" (2023). In 2025, Ai Addiction handled the Japanese dub of the Chinese animated film "Ne Zha 2" (哪吒之魔童闹海) in cooperation with Gekko. As of 2026, the company continues to provide sound production for numerous upcoming anime titles, including "Ikoku Nikki," "Replica datte, Koi wo Suru," and others. Throughout its history, Ai Addiction has operated as a key audio production partner within the EARLY WING group, leveraging the group's voice talent resources.

• 2025

  Handled Japanese dub of Ne Zha 2 in cooperation with Gekko.

• 2020

  Provided sound production for D4DJ First Mix and Altered Carbon: Resleeved.

• 2019

  Co-produced sound for The Quintessential Quintuplets with eNa.

• 2015

  Expanded into theatrical anime with Digimon Adventure tri. film series.

• 2013

  Worked on Noragami, Samurai Flamenco, and Gatchaman Crowds.

• 2012

  Established in July as a spin-off of EARLY WING's sound production division, becoming a wholly owned subsidiary.

• 2012

  First major TV anime sound production credit: My Little Monster.

A specialist anime and game audio post-production house within the EARLY WING voice talent group, offering integrated sound direction, recording, music, and event production services.

• My Little Monster (TV anime, 2012)

• Noragami (TV anime, 2013)

• Durarara!!x2 (TV anime, 2015–2016)

• Natsume's Book of Friends (TV anime, 2016–2018)

• The Quintessential Quintuplets (TV anime, 2019, co-produced with eNa)

• D4DJ First Mix (TV anime, 2020)

• Mononoke film trilogy (theatrical anime, 2024–2026)

• Ne Zha 2 Japanese dub (2025, with Gekko)

1. 1株式会社Ai Addiction 公式ウェブサイトaiaddiction.com
2. 2株式会社Ai Addiction - 会社概要aiaddiction.com
3. 3Ai Addiction - Wikipedia (Japanese)ja.wikipedia.org
4. 4Ai Addiction - Wikidatawikidata.org