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Founded in Higashi, Shibuya-ku, Tokyo as "PetWorks Ltd." by the main staff of the pet electronic mail software "PostPet"
Development of PostPet2001 (PostPet Version 2.0)
Application development for the "PocketPostPet" dedicated terminal released by NTT Docomo
Relocated to Sarugakucho, Shibuya-ku
Development of mobile phone content "PostPet Travelers"
Release of fashion doll "momoko"
Development of PostPet V3 (PostPet Version 3)
Established the aviation division. Began development of the single-seat aircraft "OpenSky"
Announced fashion mini-figure "Mame-momoko"
Fashion mini figure “mame-momoko” released
Directed the wall monitor animation for the CHANEL Ginza headquarters building
Directed the animation for the CHANEL GINZA building façade
Organizational change to "PetWorks Inc."
The licensed product "momoko doll" will be released by Sekiguchi Inc.
Reorganization to “PetWORKs Co., Ltd.”
“momoko DOLL” released as the licensed product by SEKIGUCHI Co., Ltd.
Fashion doll 'Odekachan and Niki' released
Fashion doll “Odeco-chan and Nikki” on sale
Kazuhiro Yatani solo exhibition 'OpenSky 2.0' at ICC (NTT Intercommunication Center)
Kazuhiko Hachiya Solo Exhibition “OpenSky 2.0” held at ICC (NTT InterCommunication Center)
Relocated to Udagawacho, Shibuya-ku
Relocated the office to Uguisudanicho, Shibuya-ku, Tokyo
Namie MANABE took up the post of the Representative Director
Relocated to Taishidou, Setagaya-ku
Relocated the office to Taishido, Setagaya-ku, Tokyo
Naomi Manabe appointed as President and CEO
Fashion doll 'Usagi' released
Namie Manabe is appointed President
Fashion doll “Usaggie” on sale
Kazuhiro Yatani appointed as associate professor in the Department of Advanced Artistic Expression, Faculty of Fine Arts, Tokyo University of the Arts (concurrently)
Kazuhiko Hachiya was appointed an Associate Professor in the Department of Intermedia Art, Faculty of Fine Arts, Tokyo University of the Arts (concurrent appointment).
Kazuhiro Yatani exhibition '-OpenSky in KIRISHIMA-' at Kirishima Art Forest, Kagoshima Prefecture
Kazuhiko Hachiya Exhibition “-OpenSky in KIRISHIMA-“ held at KIRISHIMA OPEN-AIR MUSEUM in Kagoshima prefecture
Event 'PetWorks: Work and Outlook / Living as a Middle Schooler' held at Shibuya PARCO Logos Gallery
Exhibition “The Works & Prospect of PetWORKs / Art of Living as 14-year-old” held at SHIBUYA PARCO LOGOS GALLERY
Event 'PetWorks: Work and Outlook / Living as a Middle Schooler' held at Kyoto Institute of Design, Galerie Aube
Exhibition “The Works & Prospect of PetWORKs / Art of Living as 14-year-old” held at Kyoto University of Art& Design – Galerie Aube
Kazuhiro Yatani solo exhibition 'OpenSky 3.0' at 3331 Arts Chiyoda Main Gallery
Kazuhiro Yatani 'Naushika's Flying Gear, Made It' published by Gentosha
Kazuhiko Hachiya Solo Exhibition “OpenSky 3.0” held at 3331 Arts Chiyoda Main Gallery
Kazuhiko Hachiya “I gave it a try to make Nausicaä’s Glider” published from Gentosha Inc.
Fashion doll 'ruruko' released
Fashion doll “ruruko” on sale
Development of 'PostPetVR'
Development of “PostPet VR”
20th anniversary event 'PetOWORKs: Work and Ambition - All about PetWORKs -' held at Aoyama Spiral Garden
The 20th Anniversary Exhibition “The Works & Ambition of PetWORKs -All about PetWORKs-” held at Aoyama Spiral Garden
Three-person exhibition 'Forward Stroke: Gaze Toward Tomorrow' featuring Kazuhiro Yatani's OpenSky at Saga Prefectural Art Museum
Kazuhiko Hachiya exhibited “OpenSky” at the “Trio Exhibition -Forward Stroke-” held at SAGA PREFECTURAL ART MUSEUM
EAA 'Air Adventure Oshkosh' featuring OpenSky
“OpenSky” was exhibited at “EAA AIRVENTURE OSHKOSH 2019”
Fashion doll 'One Sixth Boy Encyclopedia' released
Fashion doll “PetWORKs Boys” on sale
momoko DOLL 20th anniversary exhibition 'Idol? - Is momoko an idol?' held at Yokohama Doll House
“momoko DOLL 20th Anniversary Exhibition – is momoko an idol? –“ at Yokohama Doll Museum
Relocated to Higashiyama, Meguro-ku (current location)
Relocated the office to Higashi-yama, Meguro-ku, Tokyo
Kazuhiko Hachiya appointed as an outside director of Nintendo Co., Ltd. (concurrent)
Kazuhiko Hachiya was appointed an Outside Director and Member of the Board of Nintendo Co., Ltd. (concurrent appointment).
The 'Today’s momoko 2611' will be released at the PetWorks Store in November 2026. This limited edition product features soft ash‑blonde hair and steel‑blue eyes, and detailed specifications have also been released. The costume and cosmetic box are not expected to be included.
PETWORK Inc. will release a new dress-up doll "Fresh ruruko 2611" in November 2026. It features a pale pink hair and natural skin design, and is an all-in-one model. Sales will be conducted at various retailers and the Petworks Store.
PETWORK Inc. will release outdoor-style sneakers and top hats in November 2026. These are suitable for momoko and ruruko sizes and pair well with pants styles and girly outfits. Sales are planned to be conducted at various retailers and the PETWORKS store.
On October 2, 2026, PETWORK Co., Ltd. updated its website, including new product information such as ruruko and Rokubun no Ichi Danshi Zukan, as well as event information. Several new dolls have been added to the new products.
Starting from October 26, 2026, the PetWORKs DOLLS 2027 CALENDAR will be given as a gift at the PetWORKs Store. Only orders placed via courier will receive one copy per order. The distribution is limited in quantity and will end when supplies run out.
The provided documents do not contain any news about PETWORK Co., Ltd.
PETWORK Inc. will launch the limited edition "Fresh ruruko 26AZ" in October 2026. It features natural-looking, face-enhancing makeup and long hair, and is an all-in-one doll.
A new ruruko figure, "Asagiri's ruruko PS", will be released in October 2026 from Pet Works Store. It is a limited edition featuring white × real black hair color, tan skin, and misty blue eyes. The contents include costumes and accessories, and it is a fully articulated figure standing about 22 cm tall.
Pet Works will release the new doll 'CCSgirl 26SS ruruko PS' from its sister brand CCSgirl of the CCS brand in October 2026. It features freckle makeup and a punk style, and will be sold as a limited edition. The contents include the doll body, outfits, and accessories.
Pet Works Co., Ltd. will participate in Doll Show 79 Autumn, held on September 22, 2026. The booth will showcase new dolls, popular products, and sales, with some items discounted 30–50% off.