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With our new series "Imagine: To Prevent War," we will build momentum together with our readers

PM Takaichi seeks to make Japan war-capable via charter revision. Tansa digs into political power, voicing citizens wanting peace.

The True Mother Files: How a Cult Religion Infiltrated Japan's Ruling Party

An internal document, the “TM Report,” reveals the long-standing ties between the Unification Church and Japan's ruling LDP.

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Tansa, an nonprofit newsroom, collaborates with journalists around the world to hold Japan's powerful to account.

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Democracy Behind Closed Doors

Why Tansa is Suing the State Over the “Non-Existence” of State Funeral Documents

Investigative journalism

Series

Standalones

Polluted with PFOA

61,089 Signatures Calling for a Revision of PFAS Drinking Water Standards and a Health Survey of Pregnant Women and New Mothers Were Submitted to the Ministry of the Environment and Other Agencies

2026.08.04 15:04　Nanami Nakagawa
Adults in the Student Suicide Case ~School Edition~

“We Might as Well Just Announce It a ‘Sudden Death.’” the Proposal From the Vice Principal That Left the Bereaved Family in Disbelief (9)

2026.08.04 14:36　Nanami Nakagawa
Hostage Justice

A Labor Union That Joined “to Cause Trouble for the Company”: Why Did He End Up Focusing on “Human Rights”? / Daisuke Nishijima, Executive Committee Member of Kan-nama 【Kansai Ready-Mix Concrete Case: Testimony #17】

2026.07.30 12:49　Makoto Watanabe, Nanami Nakagawa
Adults in the Student Suicide Case ~School Edition~

“I Realized We Shouldn’t Treat This as a Joke” — the Inappropriate Words of Vice Principal of Kaisei Gakuen (8)

2026.07.13 13:04　Nanami Nakagawa
Polluted with PFOA

Questions at Daikin’s Shareholders’ Meeting Focus on PFAS Contamination; Company Fails to Fulfil Accountability

2026.07.13 12:50　Nanami Nakagawa
Imagine Stopping Japan’s Path Toward War

Imagine: Stopping Japan’s Path Toward War “We will expose the dark side of Japanese politics and stand with citizens against Japan’s rearmament.”

2026.07.09 12:57　Tansa
Adults in the Student Suicide Case ~School Edition~

Bereaved Family Starting to Have Suspicion Towards Kaisei Gakuen’s Prioritization of Media (7)

2026.06.30 15:33　Nanami Nakagawa
The True Mother Files: How a Cult Religion Infiltrated Japan's Ruling Party

Unification Church official thought “perhaps Prime Minister Abe died in place of Mother,” TM Report reveals (13)

2026.06.22 14:32　Tansa
Adults in the Student Suicide Case ~School Edition~

“I’m Sick of It. I’m Exhausted.” The Notebook Hayato’s Family Found: Confirmation of Bullying at Kaisei Gakuen(6)

2026.06.16 16:40　Nanami Nakagawa

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