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Other Disclosures4880CellSource Co.,Ltd.Pharmaceuticals

PAJUU, a sleep brand based on EEG research that helps optimize sleep and beauty, and the women-only machine Pilates studio the SILK announce their first-ever collaboration!

CellSource's sleep and beauty brand PAJUU and the women-only machine Pilates studio the SILK, operated by 株式会社HYV, will jointly develop a project for the first time. A sleep and beauty workshop and Pilates event will be held on 22 July 2026, and PAJUU products will begin being displayed at 10 Tokyo locations on the same day.

Worth reading
71In focus
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
10
Tokyo locations
Wording
Definitive
How definitive the wording is.

Announced details

PAJUU Sleep Conditioning WearSleep and beauty workshopSpecial Pilates program
Applicable field (uses covered by this announcement)

Sleep and beauty, improved sleep quality, women's health and beauty, machine Pilates

Launch date22 July 2026 (scheduled: event and start of product displays at 10 Tokyo locations)
What the company reported numerically
Usage history

More than 20,000 the SILK members (as of the stated date)

Relationship between the counterparty and the company
CellSource Co.,Ltd.4880
Relationship with the Company

Tie-up project and collaboration between PAJUU and the SILK. Capital and personnel relationships: Not disclosed.

Counterparty株式会社HYV (operator of the SILK)

Head office: Meguro-ku, Tokyo; Representative Director: Ozeki Yuichi (小関友一). Operates the women-only machine Pilates studio the SILK. The studio has 45 locations nationwide in total and more than 20,000 members.

Location (as indicated in this announcement)

the SILK Futako-Tamagawa studio: 2nd floor, Tamariver 246, 4-1-9 Tamagawa, Setagaya-ku, Tokyo

Products will be displayed at 10 Tokyo locations. the SILK has 45 locations nationwide in total.

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

OECD survey

Announced details
ItemDetails
Names of Products / Services CoveredPAJUU Sleep Conditioning Wear, Sleep and beauty workshop, Special Pilates program
Counterparty株式会社HYV (operator of the SILK)
Counterparty overviewHead office: Meguro-ku, Tokyo; Representative Director: Ozeki Yuichi (小関友一). Operates the women-only machine Pilates studio the SILK. The studio has 45 locations nationwide in total and more than 20,000 members.
Relationship with the CompanyTie-up project and collaboration between PAJUU and the SILK. Capital and personnel relationships: Not disclosed.
Launch date22 July 2026 (scheduled: event and start of product displays at 10 Tokyo locations)
Applicable areaSleep and beauty, improved sleep quality, women's health and beauty, machine Pilates
Locationthe SILK Futako-Tamagawa studio: 2nd floor, Tamariver 246, 4-1-9 Tamagawa, Setagaya-ku, Tokyo
Location scaleProducts will be displayed at 10 Tokyo locations. the SILK has 45 locations nationwide in total.
Usage historyMore than 20,000 the SILK members (as of the stated date)
SourceOECD survey
Items this document does not state (8)
Contract ValueOffering priceContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateQuantitative EffectsImpact on Business Performance

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

The two brands share the belief that they want to improve the health and beauty of modern Japanese women. The project aims to address mental and physical healthcare through both exercise and sleep.

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PAJUU, a sleep brand based on EEG research that helps optimize sleep and beauty, and the women-only machine Pilates studio the SILK announce their first-ever collaboration! | CellSource Co.,Ltd. (4880) timely disclosure | Komori