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Other Disclosures166ATASUKI Holdings Inc.Real Estate

Cloud-based property information management service ZISEDAI LAND begins single sign-on integration with HENNGE One

Single sign-on functionality using HENNGE’s authentication service “HENNGE One” was added to “ZISEDAI LAND,” provided by group company ZISEDAI, and the integration was launched. Users can now access LAND through HENNGE One’s authentication platform without entering their IDs and passwords individually.

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Announced details

ZISEDAI LANDHENNGE One
Applicable field (uses covered by this announcement)

Property and land information management in the real estate industry; authentication and access management for cloud services; promotion of corporate digital transformation

Launch date15 October 2026 (integration already launched)
What the company reported numerically
Quantitative Effects

The disclosure states that the integration can reduce login-related workload, the burden of managing IDs and passwords, and the risk of unauthorized access. The figures are Not disclosed.

Usage history

More than 3 million users use HENNGE One. ZISEDAI LAND usage figures are Not disclosed.

Relationship between the counterparty and the company
TASUKI Holdings Inc.166A
Relationship with the Company

HENNGE One, provided by HENNGE K.K., has been integrated with ZISEDAI LAND, provided by group company ZISEDAI. No capital or personnel relationship is disclosed.

CounterpartyHENNGE K.K.

Head office: Daiwa Shibuya Square, 16-28 Nanpeidai-cho, Shibuya-ku, Tokyo; Representative Director, President and CEO: Ogura Kazuhiro (小椋 一宏); established: 5 November 1996. The company provides cloud security services including “HENNGE One.” It was listed on the Tokyo Stock Exchange Mothers market in 2019, now the Growth Market.

Offering price

The single sign-on functionality is scheduled to be offered as an optional feature of ZISEDAI LAND. The specific price is Not disclosed.

The company does not address Contract Value / Impact on Business Performance.

Source (materials cited by the company)

ITR, “ITR Market View: Identity and Access Management / Personal Authentication Security Market 2026”

Announced details
ItemDetails
Names of Products / Services CoveredZISEDAI LAND, HENNGE One
CounterpartyHENNGE K.K.
Counterparty overviewHead office: Daiwa Shibuya Square, 16-28 Nanpeidai-cho, Shibuya-ku, Tokyo; Representative Director, President and CEO: Ogura Kazuhiro (小椋 一宏); established: 5 November 1996. The company provides cloud security services including “HENNGE One.” It was listed on the Tokyo Stock Exchange Mothers market in 2019, now the Growth Market.
Relationship with the CompanyHENNGE One, provided by HENNGE K.K., has been integrated with ZISEDAI LAND, provided by group company ZISEDAI. No capital or personnel relationship is disclosed.
Offering priceThe single sign-on functionality is scheduled to be offered as an optional feature of ZISEDAI LAND. The specific price is Not disclosed.
Launch date15 October 2026 (integration already launched)
Applicable areaProperty and land information management in the real estate industry; authentication and access management for cloud services; promotion of corporate digital transformation
Quantitative EffectsThe disclosure states that the integration can reduce login-related workload, the burden of managing IDs and passwords, and the risk of unauthorized access. The figures are Not disclosed.
Usage historyMore than 3 million users use HENNGE One. ZISEDAI LAND usage figures are Not disclosed.
SourceITR, “ITR Market View: Identity and Access Management / Personal Authentication Security Market 2026”
Items this document does not state (8)
Contract ValueContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateLocationLocation scaleImpact 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.

To strengthen the response to user companies’ security requirements and increasingly diverse operational needs.

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Cloud-based property information management service ZISEDAI LAND begins single sign-on integration with HENNGE One | TASUKI Holdings Inc. (166A) timely disclosure | Komori