What Sunhoseki does

Sunhoseki Co., Ltd. (サンホーセキ) is a privately held Japanese e-commerce retailer headquartered in Yamanashi Chuo City that sells character-based accessories, stationery, novelty goods, and lifestyle merchandise to Japanese domestic consumers. The company's central asset is its original character brand Hoppe-chan (ほっぺちゃん), a pink-cheeked mascot with 15+ years of product history that anchors plush toys, keychains, straps, stickers, blind-box products, and an interactive hand-squeezing kit. The catalog spans more than 2,600 SKUs across fashion accessories (earrings, necklaces, hair accessories, bags), stationery, beauty/cosmetics, sweets, books, and licensed Sanrio collaborations featuring Hello Kitty, My Melody, Cinnamoroll, Pompompurin, Kuromi, and Kerokerokeroppi, as well as creator handmade items.

The business runs a direct-to-consumer e-commerce operation on sunho.store built on standard Shopify infrastructure, with a tiered loyalty point system, coupon promotions, and a wishlist feature. Distribution is multi-channel: in addition to the DTC store, the company lists on Rakuten, Yahoo! Shopping, Amazon Japan, Qoo10, and auPAY Market, and conducts physical retail through periodic Sunhouseki Fair pop-up events at shopping centers and department stores across Okayama, Osaka, Saitama, and Shizuoka, plus partner relationships with Village Vanguard, Don Quijote, and Sanrio Puroland.

Sunhoseki's go-to-market centers on character IP and blind-box collectibles that drive repeat purchasing, supported by social media presence on Instagram, TikTok, YouTube, LINE, and Facebook. Pricing is unit-based and ranges from ¥33 (small stickers) to over ¥5,000 (premium kits and collectibles), with free domestic shipping above ¥3,980. The company operates exclusively within Japan due to system-related shipping limitations. In 2024–2025 it executed collaborations with Sanrio, Bandai Gashapon, Oshicoco, and the Queen's Bees women's basketball team, and announced a corporate merger and name change effective January 31, 2026.

Name

Sunhoseki

Legal name

SUNHOSEKI CO.,LTD.

Website

https://sunho.store

Company type

Private

Founded year

1965

Operating status

Operating

Short description

Sunhoseki (サンホーセキ) is a Japanese e-commerce retailer selling character-based accessories, stationery, novelty goods, and licensed merchandise, anchored by its original Hoppe-chan mascot IP and targeting teen and young adult female consumers across Japan through its DTC store, five online marketplaces, and physical pop-up events.

Ownership category

akta.pro rank

Product category

Character Merchandise Retail

NAICS

Gift, Novelty, and Souvenir Retailers (45942), Hobby, Toy, and Game Retailers (45912), Jewelry Retailers (458310), Clothing, Clothing Accessories, Shoe, and Jewelry Retailers (458)

SIC

Retail-Variety Stores (5331), Retail-Hobby, Toy & Game Shops (5945), Costume Jewelry & Novelties (3960), Retail-Jewelry Stores (5944)

akta.pro primary industry

Pop Culture, Licensed & Fandom Gifts Retail (CRALAJAK)

akta.pro secondary industries

Gift, Novelty & Souvenir Variety Stores (CRAGAJAG), Seasonal & Holiday Gifts & Decor Retail (CRALAJAD)

Keywords

• Character merchandise retail
• Kawaii fashion accessories
• Japanese collectibles e-commerce
• Stationery and novelty goods
• Licensed character goods

Headquarters

HQ city

Yamanashi Chuo City

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2C

Offering type

Digital Commerce or Content

Cost components

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

Revenue model

1. Product Sales (E-commerce & Marketplace): Sunhoseki generates revenue primarily through one-time product sales of character-based merchandise, accessories, stationery, and novelty goods. Revenue is generated through the official sunho.store direct e-commerce platform as well as third-party marketplace listings on Rakuten, Yahoo! Shopping, Amazon Japan, and Qoo10. The business relies on physical product inventory and order fulfillment.

Pricing tiers

Go-to-market motion2 records

Distribution channels8 records

Marketing channels8 records

Core offering

Sunhoseki sells character-based merchandise, fashion accessories, stationery, novelty goods, and collectibles primarily to Japanese teen and young adult female consumers interested in kawaii culture. The core catalog centers on the company's proprietary Hoppe-chan character IP and includes licensed Sanrio collaborations, spanning 2,600+ SKUs of plush toys, keychains, earrings, necklaces, stickers, hand-squeezing kits, and lucky bag assortments sold via its sunho.store e-commerce platform and major Japanese marketplaces.

Product overview

Sunhoseki operates as an e-commerce retailer specializing in character goods, fashion accessories, and novelty items. The core product line centers on the company's original character 'Hoppe-chan' (ほっぺちゃん), which appears across all major categories including plush toys, accessories, stationery, and novelty goods. The product portfolio spans accessories (jewelry, earrings, necklaces, rings), stationery (pens, stickers, notebooks, washi tape), novelty goods (keychains, zipper charms, fortune items), hair accessories, bags, cosmetics, and collectible items. The company also offers licensed Sanrio character collaborations and a creators marketplace featuring handmade items from independent artists. Products are sold through their primary e-commerce platform sunho.store and distributed via multiple online marketplace channels including Rakuten, Qoo10, Yahoo! Shopping, and Amazon Japan.

Differentiator

Problem solved

Functional benefit

Brands

• ほっぺちゃん (Hoppe-chan): The company's original character brand featuring a mascot character with pink cheeks, sold as keychains, straps, stickers, plush toys, and various merchandise.
• サン宝石 (Sunhouseki / Sun Ho Seki)

Products and services

• Hoppe-chan character merchandise line (ほっぺちゃん)
• Hoppe-chan Hand-Squeezing Kit (ほっぺちゃん手しぼりキット)
• Sanrio Character Goods collaboration line (サンリオキャラクターグッズ)
• Bandai Gashapon × Hoppe-chan accessories (バンダイ ガシャポン×ほっぺちゃんめじるしアクセサリー)
• Jewelry and fashion accessories (アクセサリー)

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Partnerships

Twelve partnerships are on record, tiered moderate, core and minor.

• Retail Mall Partners (Various)moderateChannel Partner/ Reseller/ Distributor · 1 July 2025サン宝石フェア events are held at various shopping centers and department stores including イオンモール倉敷 (Okayama), 京阪シティモール (Osaka), 矢尾百貨店 (Saitama), and 遠鉄百貨店 (Shizuoka). These are temporary retail events featuring product sales and workshops.
• Bandai Gashapon (バンダイ ガシャポン)coreStrategic or Co-development Partner · 1 June 2025In May 2025, Sunhoseki partnered with Bandai for a Gashapon (capsule toy) collaboration featuring 'Hoppe-chan Meijirushi Accessories' (ほっぺちゃんめじるしアクセサリー). This brings the Hoppe-chan character into Bandai's widely recognized capsule toy vending machine format.
• Don Quijote (ドン・キホーテ)moderateChannel Partner/ Reseller/ Distributor · 1 May 2025Exclusive lucky bags (福袋) were sold at Don Quijote stores in May 2025 as a limited-time retail distribution partnership.
• OshicocominorGTM or Marketing Partner · 1 April 2025Collaboration announced in April 2025 for co-branded products with Oshicoco, a lifestyle brand.
• Vina Walk (ヴィナウォーク)minorChannel Partner/ Reseller/ Distributor · 1 April 2025A pop-up store (サン宝石ポップアップストア) was opened at Vina Walk shopping mall in April 2025.
• Village Vanguard (ヴィレッジバンガード)moderateChannel Partner/ Reseller/ Distributor · 1 February 2025In February 2025, Sunhoseki conducted a store takeover/jack campaign across Village Vanguard locations nationwide in Japan, selling exclusive Hoppe-chan merchandise at the retailer.
• Queen's Bees (クィーンビーズ) - Japan Women's Basketball TeamminorGTM or Marketing Partner · 1 January 2025In January 2025, Sunhoseki collaborated with the Japanese women's basketball team Queen's Bees to create co-branded merchandise featuring Hoppe-chan.
• Sanrio (サンリオ)coreStrategic or Co-development Partner · 1 January 2024Sunhoseki's Hoppe-chan character has collaborated with multiple Sanrio characters including Hello Kitty, My Melody, Cinnamoroll, Pompompurin, Kuromi, and Kerokerokeroppi. The collaboration includes plush toys, rubber keychains, acrylic keychains, straps, and Sanrio Puroland-exclusive products. The collaboration has been featured on Sanrio Puroland's official website and is considered a flagship product line for Sunhoseki.
• Sanrio PurolandcoreStrategic or Co-development Partner · 1 January 2024A collaboration workshop event (ほっぺちゃんしぼりワークショップ) was held at Sanrio Puroland from July–September 2025, where visitors could create their own Hoppe-chan squeeze toys using Sanrio character-inspired colors. Sanrio Puroland also sold exclusive Hoppe-chan merchandise and Sanrio character x Hoppe-chan mashup products.
• Tabloid / Makeup YouTubers (MARILYN, nanakoななこ)minorGTM or Marketing Partner · 1 January 2024Sunhoseki products were featured in YouTube videos by beauty and lifestyle YouTubers MARILYN (August 2024) and nanakoななこ (May 2024), driving organic brand awareness.
• MOYO & ようなぴminorStrategic or Co-development Partner · 1 December 2023A collaboration was announced in December 2023 with MOYO and the artist ようなぴ for co-branded Hoppe-chan merchandise.
• 夢色粘土 (Yume-iro Nendo) / DECO Clay Craft ArtistminorStrategic or Co-development Partner · 1 May 2023In May 2023, Sunhoseki collaborated with DECO clay craft artist '夢色粘土' to create limited-edition collaborative handmade goods.

Scale indicators3 records

Recent moves6 records

Expansion highlights6 records

Broad incumbents

• Sanrio: Sanrio is the dominant Japanese character IP house (Hello Kitty, My Melody, Cinnamoroll, Pompompurin, Kuromi). Sunhoseki operates as both a license partner and adjacent retailer in the same character-goods category targeting the same kawaii female demographic, though Sanrio owns the underlying IP and a much larger retail footprint.
• Village Vanguard: Village Vanguard is a Japanese variety retailer carrying books, stationery, novelty goods, and character merchandise. Sunhoseki is both a 2025 Village Vanguard store-jack partner and a competitive operator in overlapping categories (accessories, stationery, novelty items).
• Bandai Namco Holdings: Bandai Namco is a major Japanese toy and character-entertainment company that operates Gashapon and a broad character lineup. Sunhoseki's 2025 Bandai Gashapon collaboration for Hoppe-chan accessories places the two companies in a direct content/distribution relationship within the same character-collectible category.
• Pan Pacific International Holdings (Don Quijote): Don Quijote is a Japanese discount variety retailer carrying character merchandise, accessories, and novelty goods. Sunhoseki distributed exclusive Hoppe-chan lucky bags at Don Quijote in 2025, illustrating direct category overlap and a customer overlap in the kawaii/character buyer.

Direct peers

• San-X: San-X is a Japanese character-goods company behind Rilakkuma, Sumikko Gurashi, and Tarepanda. Sunhoseki competes in the same character-collectible, stationery, and novelty-goods aisles with the same Hoppe-chan character IP - directly comparable business model.
• POP MART: POP MART is a leading blind-box collectible toy retailer with proprietary and licensed IPs, including Sanrio collaborations. Sunhoseki shares the blind-box/lottery product mechanic, kawaii/character-merchandise positioning, and reliance on licensed collabs to drive repeat purchases.
• Sonny Angel / Dreams Inc. Sonny Angel (Dreams Inc.) is a Japanese blind-box collectible figure brand with broad retail distribution. Sunhoseki's blind-box collectible mechanics, gift/novelty positioning, and Japan-led kawaii aesthetic put it in direct comparison with Sonny Angel.
• KIDDY LAND: KIDDY LAND is a Japanese specialty retailer of character goods and licensed merchandise. Sunhoseki's character-focused product mix (Hoppe-chan, Sanrio collabs, plush toys, keychains) overlaps with KIDDY LAND's core assortment for the same kawaii/character buyer.

Others

• Rakuten Group: Rakuten operates Japan's largest e-commerce marketplace where Sunhoseki is a third-party seller. While not a direct competitor, Rakuten provides the infrastructure and traffic through which Sunhoseki reaches consumers, making it an enabling channel partner.

Regional players

• Toys"R"Us Japan (ATJ): Toys"R"Us Japan is a toy and character-goods retailer. Sunhoseki's plush toys, character merchandise, and licensed Sanrio products overlap directly with Toys"R"Us Japan's core assortment, though Sunhoseki is much more character-IP-focused.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks1 record

Key highlights7 records

Customer concentration

• Xx.com/sunhoseki
• YouTubeyoutube.com/@SunhoJpSunho
• Facebookfacebook.com/sunhoseki.hoppe
• Instagraminstagram.com/sunhoseki
• TikToktiktok.com/@sun_hoseki

Revenue estimate

Valuation estimate

Number of profiles

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 Sunhoseki