Amazia

What Amazia does

Amazia (株式会社Amazia, TSE Growth: 4424) is a Tokyo-based, publicly listed digital content company founded in October 2009 and operating since 2018 on the Tokyo Stock Exchange Growth Market (formerly Mothers). The company's core business is the freemium manga reading service マンガBANG!, distributed natively on iOS (Swift), Android (Kotlin), and web (manga-bang.com), which it self-describes as one of Japan's largest-scale manga apps. Revenue is generated primarily through in-app virtual coin purchases that unlock premium chapters and ongoing series, supplemented by digital comic sales on マンガBANGブックス, physical and digital publishing of original titles under the マンガBANGコミックス label (in partnership with publisher 日本文芸社), and a newer entertainment information portal マンガBANGマガジン (jointly operated with ランク王). The company employs 11–50 staff organized into service development, planning and operations, editorial/manga, and management teams, and operates from a recently doubled headquarters at Shibuya Sakura Stage. Related operations include subsidiary ウイズマイメディカル, which launched an online medical consultation support service in March 2025, extending Amazia's platform operations expertise into healthcare, and subsidiary Amazia Link, which provides SES/IT engineering services.

The business model is product-led growth built on a freemium foundation: free reading of a large library of manga titles drives top-of-funnel acquisition, with coin-based microtransactions converting engaged users. Original content produced under マンガBANGコミックス — including a title that reached 400,000 cumulative copies across 4 volumes as of October 2025 — provides an exclusive content differentiator and a creator recruitment pipeline (via manga creator contests). Distribution is concentrated in Japan through app stores, the manga-bang.com web platform, and standard physical bookstore channels via 日本文芸社, with limited overseas presence via MANGA BANG! and the Fandom Tokyo hobby goods e-commerce site. Financial performance has been a clear five-year contraction: net sales fell from approximately ¥7.5B in FY2020/FY2021 to ¥3.6B in FY2024 (ending September 2024), and the company posted net losses in both FY2023 and FY2024 (approximately ¥589M loss in FY2024). The portfolio is being rationalized — the マンガトート service for adult women is scheduled to terminate on June 30, 2026, with users migrated to マンガBANG! and unused coin balances refunded — while new verticals (healthcare, entertainment information) are being seeded from a small employee base.

Name

Amazia

Legal name

株式会社Amazia

Website

https://amazia.co.jp

Company type

Public

Founded year

2009

Operating status

Operating

Headcount range

11–50 employees

Short description

Amazia is a Tokyo-based, publicly listed digital publisher operating the freemium manga reading app マンガBANG!, one of Japan's largest, with in-app coin purchases as the primary revenue driver. It also publishes original titles via the マンガBANGコミックス label and is expanding into healthcare and entertainment information.

Ownership category

akta.pro rank

Product category

Digital Manga & Comics

NAICS

Media Streaming Distribution Services, Social Networks, and Other Media Networks and Content Providers (516210), Book Retailers and News Dealers (4592)

SIC

Books: Publishing Or Publishing & Printing (2731)

akta.pro primary industry

Digital Comics, Manga & Serialized Reading Platforms (BPAMAJAJ)

akta.pro secondary industry

Manga Publishing (Japanese & Global) (MPAJAGAA)

Keywords

• Digital manga distribution
• Freemium manga apps
• Original manga publishing
• Mobile content platforms
• Digital comics retail

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2C

Offering type

Digital Commerce or Content

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations, Infrastructure, Supply Chain

Revenue model

1. In-app coin purchases (Freemium): Users download and use マンガBANG! and related apps for free, purchasing virtual coins to unlock premium manga chapters. The primary revenue driver.
2. Digital comic sales (マンガBANGブックス): E-commerce site selling individual manga volumes as digital downloads. Users purchase directly; periodic promotional campaigns such as 90% point return sales drive volume.
3. Physical manga publishing (マンガBANGコミックス): Original manga titles published physically through a partner publisher (株式会社日本文芸社) and digitally through the company's platforms. Revenue from physical book sales and related digital royalties.
4. Online medical clinic support services: Subsidiary 株式会社ウィズマイMedicinal operates ウィズマイMedicinalオンライン clinics. Amazia provides service operation and marketing support to affiliated medical institutions for a service fee.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels5 records

Core offering

Amazia operates the Manga BANG! freemium manga reading platform, delivered through native iOS and Android apps and a web reader, offering a large library of manga titles free of charge with in-app coin purchases used to unlock premium chapters. The company also publishes original manga under the Manga BANG Comics label, sells digital comic volumes through the Manga BANG Books e-commerce site, and has diversified into online medical consultation support through its With My Medical subsidiary.

Product overview

Amazia operates a manga-focused digital platform business, centered on the freemium manga reading service Manga BANG! (available as iOS/Android apps and web version), alongside supporting services including Manga Epic!, the original manga label Manga BANG Comics, the e-comic sales site Manga BANG Books, and the entertainment information portal Manga BANG Magazine (launched September 2025 in partnership with Rank King). The company previously operated Manga Tote (for adult women), which is being discontinued in June 2026 with user migration to Manga BANG!. Overseas operations include MANGA BANG! for international markets. Additionally, Amazia has diversified into healthcare services via its subsidiary With My Medical, offering online telemedicine consultation support services.

Differentiator

Problem solved

Functional benefit

Brands

• マンガBANGコミックス: Original manga label launched April 2021 for publishing original manga titles
• マンガBANGマガジン
• Fandom Tokyo

Products and services

• Manga BANG! (マンガBANG!) Freemium manga reading application and web service offering free access to a large library of manga titles with in-app coin purchases used to unlock premium chapters; available on iOS, Android, and web; self-described as one of Japan's largest-scale domestic manga apps for general manga readers.
• Manga Epic! (マンガEpic!)

Quantifiable outcome

• 400,000 cumulative copies sold for '異世界クラス召喚されたらR1○のスキルを獲得したので、○りたい放題させてもらいます！' (4 volumes, as of October 2025)

Named customers1 record

Segments1 record

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Three partnerships are on record, tiered core and minor.

• 株式会社日本文芸社 (Nihon Bungeisha)coreStrategic or Co-development Partner · 13 November 2025Physical manga publishing partner for マンガBANGコミックス label. 日本文芸社 publishes and distributes physical manga volumes, while Amazia handles planning and digital publishing. The arrangement enables Amazia's original manga titles to reach physical bookstore readers through an established publishing partner.
• ランク王株式会社 (Rank-O Corporation)coreGTM or Marketing Partner · 18 September 2025業務提携 (business partnership) with ランク王株式会社 to jointly operate マンガBANGマガジン, an entertainment information site covering manga, anime, movies, drama, and hobby goods in ranking format. ランク王 brings expertise in ranking article production and high-quality editorial content creation. Amazia contributes manga content and platform reach. Both Amazia and its consolidated subsidiary 株式会社Amazia Link co-operate the service.
• 株式会社ウィズマイMedicinalminorStrategic or Co-development Partner · 24 March 2025Amazia invested in and established subsidiary 株式会社ウィズマイMedicinal, which launched ウィズマイMedicinalオンライン clinics on March 24, 2025. Amazia provides service operation and marketing know-how to support affiliated medical institutions' adoption of online consultation services. This extends Amazia's platform expertise into the healthcare sector.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Renta!: Renta!, operated by Papyless, is a major Japanese digital manga rental/purchase platform operating a 48-hour rental model — a different monetization mechanic but a directly comparable digital manga consumer platform competing for Japanese readers.
• Piccoma: Piccoma, operated by Kakao Piccoma (Kakao Entertainment Japan), is Japan's leading freemium manga app and the closest direct competitor to Manga BANG! with a comparable freemium-to-paid coin model and similar target demographic.
• BookLive: BookLive is one of Japan's largest digital book and manga stores, operating a freemium reading app (BookLive! Comic) similar in user experience and monetization approach to Manga BANG! Books.
• Manga Box: Manga Box, operated by DeNA, is a Japanese manga app offering free serialized chapters on a daily-release model with premium coin purchases — a near-direct freemium model match to Manga BANG!.
• Comico: Comico, operated by NHN Japan (NHN Corporation), is a Japanese manga and webtoon platform with freemium content and original webtoon production, directly comparable to Manga BANG!'s freemium-to-paid model.
• LINE Manga: LINE Manga, operated by LINE Corporation (LY Corporation), is one of Japan's top-grossing manga apps with a freemium model and a deep publisher-backed content library, directly competing with Manga BANG! for Japanese smartphone manga readers.
• Shonen Jump+: Shonen Jump+, operated by Shueisha, is a vertically-integrated manga app leveraging Shueisha's own IP catalog (One Piece, etc.) with free chapters and paid digital volumes, competing in the same Japanese digital manga reading market as Manga BANG!.
• Manga ONE: Manga ONE, operated by Shogakukan, is a Japanese manga app offering free daily chapter allowances and paid digital purchases with publisher-owned content, competing head-to-head with Manga BANG! in the free-to-read manga app category.

Broad incumbents

• Kakao Entertainment: Kakao Entertainment is the Korean parent of Piccoma and a major manga/webtoon IP holder (Kakao Page) — a broad incumbent whose vertical integration from IP creation through platform distribution represents the strategic end-state Amazia is attempting with Manga BANG! Comics.
• Shueisha: Shueisha is one of Japan's largest manga publishers (Jump, Shonen Jump+), controlling both the IP and a vertically integrated digital distribution platform — a broader incumbent whose content and platform competes with Manga BANG! for Japanese manga reading attention and spending.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/mangabangfree
• LinkedInlinkedin.com/company/amazia-inc

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries3 records

Funding overview

Funding rounds4 records

Investors9 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Amazia