Otonoha

What Otonoha does

Otonoha (音ノ葉) is a multi-line "green life" retail and services business operated by Otowa Tatemono Co., Ltd. (音羽建物株式会社), a privately held subsidiary of the Kodansha Group headquartered in Bunkyo-ku, Tokyo. The portfolio is anchored around a single integrated site in Sekiguchi and includes Green Shop Otonoha (seasonal plants, garden trees, foliage plants, and gardening supplies), oto no ha Café (a farm-to-table café opened May 2013 adjacent to Hotel Chinzanso Tokyo serving breakfast, lunch, café time, and takeout), a Phalaenopsis orchid and floral gift mail-order business with free delivery across Tokyo 23 wards, Osaka, Nagoya, and Fukuoka, and a 63-year-old Garden Design service covering exterior planting, tree pruning, garden renewal, wood deck installation, and annual maintenance for both corporate and residential clients. The business is vertically integrated with Oto wa Farm (オトワファーム), an organic vegetable farm established January 2011 in Fuji City, Shizuoka Prefecture, that supplies the café and sells seasonal vegetable sets via a base.in storefront, and it also operates the Tokyo-designated historical site Sekiguchi Basho-an (since 1926) as a rental venue for haiku gatherings, tea ceremonies, and flower arrangement sessions, plus recurring aroma lessons.

Revenue is generated through unit-priced retail (orchids ¥11,000–¥66,000; café set meals ¥1,800; café beverages ¥650–¥4,500; aroma lessons ¥4,000 per session; Basho-an tatami room rental ¥2,000/hour) plus quote-based garden design projects. Customer mix is dominated by long-tail individual consumers in the Tokyo metropolitan area, supplemented by corporate landscaping clients and gift buyers across the four covered metro areas; the only named enterprise account is Kodansha itself for Christmas tree installations at its headquarters. The go-to-market combines physical retail and café footfall, event-driven engagement (aroma lessons, seasonal events), and digital channels including the company website, Instagram, Facebook, Twitter/X, an Oto wa Farm Instagram account, a monthly newsletter running since 2022, and the Oto wa Farm e-commerce storefront; the standalone Otonoha EC site is scheduled to close on June 30, 2026.

The business has no proprietary technology platform — operations are traditional retail, food service, agriculture, and field services. Leadership is held by Representative Director Takashi Yamane (山根 隆) of Otowa Tatemono, with farm operations led by farm manager Hiroshi Kozu (小糀 洋) since January 2016, and the online shop operating manager listed as Ken Shinozaki (篠崎 健). No venture or private equity funding, no M&A activity, no IPO, and no public revenue disclosure are evident; the company functions as a stable, lifestyle-oriented subsidiary within the diversified Kodansha Group.

Name

Otonoha

Legal name

音羽建物株式会社 音ノ葉 (Otowa Tatemono Kabushiki Kaisha Otonoha)

Website

https://oto-no-ha.jp

Company type

Private

Founded year

1964

Operating status

Operating

Headcount range

1–10 employees

Short description

Otonoha (音ノ葉) is a Tokyo-based green life retail and services business (Kodansha Group subsidiary) operating a plant shop, farm-to-table café, orchid gift delivery, organic Shizuoka farm, 63-year-old landscaping unit, and a historic haiku site rental under Otowa Tatemono Co., Ltd.

Ownership category

akta.pro rank

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Others

Revenue model

1. Green Shop Retail: In-store sales of seasonal plants, garden trees, foliage plants, and gardening supplies at the physical retail location in Bunkyo, Tokyo.
2. Café Restaurant: On-site dining at oto no ha Café offering breakfast, lunch, café time, and take-out. Uses fresh vegetables from company's own Otowa Farm. Opened May 2013.
3. Orchid and Flower Gift Delivery: Phalaenopsis (butterfly orchid) gift delivery service with free delivery in Tokyo 23 wards, Osaka, Nagoya, and Fukuoka city areas. Also offers Western orchids, stand flowers, arrangements, and bouquets.
4. Garden Design/Landscaping: Landscaping services including garden maintenance, tree trimming, planting, wood deck installation, and weed prevention. Serves both corporate and individual customers. 63-year history.
5. Farm Product E-commerce: Direct-to-consumer sales of seasonal vegetables grown at Otowa Farm in Shizuoka Prefecture, Fuji City. Products shipped from farm to customers nationwide via online store.

Pricing tiers

Go-to-market motion2 records

Distribution channels5 records

Marketing channels7 records

Core offering

Otonoha operates a multi-business green lifestyle portfolio centered on seasonal plants and gardening supplies sold through its Green Shop in Bunkyo, Tokyo. The company runs the oto no ha Café farm-to-table restaurant serving produce from its own Otowa Farm in Shizuoka, offers mail-order Phalaenopsis orchid and floral gift delivery in major Japanese metros, and provides garden design and landscaping services with a 63-year operating history. It also manages the Tokyo-designated Sekiguchi Basho-an heritage site for cultural event rentals.

Product overview

Otonoha is a green life business operated by Otowa Tatemono Co., Ltd. (a Kodansha Group company) in Tokyo's Bunkyo district. Its portfolio consists of multiple distinct but related offerings: (1) Green Shop Otonoha — a retail plant and gardening supply shop; (2) oto no ha Café — a farm-to-table café opened in May 2013 serving food made from its own farm's pesticide-free produce; (3) Oto wa Farm — a chemical-free farm in Fuji City, Shizuoka established in 2011 that supplies produce to the café and sells seasonal vegetable sets via its EC site; (4) Phalaenopsis Gift — a mail-order service for orchids, western orchids, standing flower arrangements, and bouquets with free delivery in major cities; (5) Garden Design — landscaping and garden maintenance services for both corporate and residential clients with 63 years of history; (6) Sekiguchi Basho-an — a historic cultural site (Tokyo-designated since 1926) available for rental for traditional arts gatherings; and (7) Aroma Lessons — aromatherapy workshops taught by a UK IFA-certified instructor. The business also maintains an EC site (now closing June 2026) and publishes newsletters documenting farm activities.

Differentiator

Problem solved

Functional benefit

Brands

• オトワファーム (Oto wa Farm): Organic farm in Fuji City, Shizuoka Prefecture, producing pesticide-free and chemical-free vegetables; products sold at café and via e-commerce
• oto no ha Café

Products and services

• Green Shop Otonoha (グリーンショップ音ノ葉) Physical retail garden shop in Bunkyo, Tokyo selling seasonal plants, garden trees, foliage plants, Christmas roses, violas and pansies, container arrangements, and gardening supplies; also provides display and decoration services for events. Open 10:00–18:00, closed Mondays.
• oto no ha Café (野菜倶楽部 オトノハカフェ) Farm-to-table café opened in May 2013 adjacent to Hotel Chinzanso Tokyo, serving breakfast, lunch, café time, sweets, drinks, and takeout prepared with pesticide-free produce from Otowa Farm. The interior features warm wood finishes and terrace seating.
• Phalaenopsis Gift (胡蝶蘭ギフト)

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Three partnerships are on record, tiered core and minor.

• Otowa Tatemono Co., Ltd. (音羽建物株式会社)coreOthersParent company of Otonoha. Otowa Tatemono Co., Ltd. is a Kodansha Group company engaged in real estate management, building operations, and green business operations including Otonoha.
• Kodansha (講談社)coreOthersKodansha Group parent company. Otowa Tatemono is part of Kodansha Group. Otonoha provides services to Kodansha such as Christmas tree installations at their headquarters.
• Hotel Chinzanso Tokyo (ホテル椿山荘東京)minorOthersAdjacent hospitality property. oto no ha Café is located in a lush green area adjacent to Hotel Chinzanso Tokyo. No formal partnership mentioned but proximity creates customer synergy.

Scale indicators4 records

Recent moves8 records

Expansion highlights4 records

Regional players

• Hanatoyo (花豊): Mid-sized Japanese florist with mail-order orchid gifts and arrangements. Comparable regional competitor in the gift orchid and standing-arrangement segment where Otonoha competes.

Direct peers

• Aoyama Flower Market: Operated by Park Corporation, Aoyama Flower Market runs green-shop retail and lifestyle café concepts in Tokyo. Directly comparable to Otonoha's Green Shop + oto no ha Café combination in the plant-retail-with-food-service niche.
• Hibiya Kadan: Japan's largest florist chain, with retail shops and gift delivery (including orchids and Western orchids) across major cities. Directly comparable to Otonoha's Phalaenopsis Gift delivery service and orchid catalog offerings.
• Premier Garden: Specialist orchid and Western orchid mail-order florist in Japan with delivery to major cities. Directly comparable to Otonoha's Phalaenopsis Gift mail-order service and orchid catalog pricing structure.

Others

• Kodansha Group (parent ecosystem peers: Kodansha, Kobunsha): Parent-group ecosystem peers (Kodansha HQ itself, plus sister companies). Relevant for understanding internal cross-selling dynamics — Kodansha HQ is a disclosed customer (Christmas tree installation) for Otonoha's landscaping and event decoration services.

Emerging players

• Afternoon Tea (Sazaby League): Multi-location café/restaurant chain with farm-to-table positioning and lifestyle retail. Comparable to oto no ha Café as a farm-to-table dining concept, though Afternoon Tea operates a multi-unit model versus Otonoha's single-site café.
• Hanana (ハナノ / Hanako Market): Online-first Japanese floral and plant gifting marketplace with subscription offerings. Comparable as a digital-native plant/orchid gifting peer that competes for the same Tokyo metro orchid delivery demand Otonoha serves.

Broad incumbents

• Tokyu Hands: Major Japanese lifestyle retail chain selling plants, gardening supplies, and home/DIY products across physical stores. Broadly comparable to Otonoha's Green Shop assortment in gardening and plant retail at scale.
• Park Corporation: Parent of Aoyama Flower Market and other green-lifestyle brands. Operates a broader portfolio of plant retail, gift delivery, and lifestyle concepts — comparable as a larger incumbent in the same green-lifestyle category Otonoha occupies.
• Ito Yokado / 7-Eleven Japan (Seven & i Holdings plant retail): Large Japanese retail conglomerate operating garden centers and seasonal plant displays in supermarket/department store formats. Provides mass-market plant retail context for Otonoha's premium-positioned Green Shop.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/otonoha_jp
• Facebookfacebook.com/sekiguchidai.otonoha
• Instagraminstagram.com/sekiguchidai_otonoha_official

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries3 records

Funding overview

Funding rounds

Investors

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 Otonoha