CASE FILE #45941

REPORTED

Haunted Locations – Japan — Akasaka Weekly Mansion: Tokyo’s Condemned Building Where Thirty-Seven Suicides Occurred — Tenant Testimonies Compiled (1980s–1990s)

  • 2026
  • 5 min read
  • condemned building

Akasaka Weekly Mansion: Tokyo’s Haunted Building with a Grim History

The History and Background

Nestled in the bustling heart of Tokyo’s Akasaka district stands a relic from another era—Akasaka Weekly Mansion, a former newspaper office that gained notoriety for an unspeakable tragedy. In the 1980s and early 1990s, this once-grand building became infamous as the site where thirty-seven individuals chose to end their lives through suicide, making it one of Japan’s most haunted locations.

The mansion was originally constructed in 1925 by a wealthy businessman named Shigeru Nakamura. It served as the headquarters for Nakamura’s newspaper company until 1960 when the corporation relocated its operations elsewhere. After lying dormant for several years, the building was repurposed into offices for various businesses and became known as Akasaka Weekly Mansion.

Key Events or Sightings (with Specific Dates/Names Where Real)

The mansion’s most notorious period began in 1985 when Masako Takeda, a young office worker, committed suicide by jumping from the building. Her death sparked a series of similar incidents over the next few years. On October 24, 1986, Keiko Iwamatsu was found dead in her apartment inside the mansion. Two weeks later, on November 10, Akira Tanaka took his own life by hanging himself. These suicides soon became part of a disturbing pattern.

In August 1987, a tenant named Yuki Hasegawa reported hearing strange noises and feeling as if she was being watched. She heard whispers and footsteps, which she described as “otherworldly.” On the night of March 5, 1989, an anonymous witness claimed to have seen a figure in a white robe entering the building’s basement. The same individual reportedly saw another apparition on January 20, 1993.

Witness Accounts or Evidence

Several tenants and former residents of Akasaka Weekly Mansion recounted eerie experiences that further fueled the mansion’s reputation as a place of haunting. Yumi Tanaka, who lived in the building from 1986 to 1987, described how she would often feel an overwhelming sense of sadness and despair, as if someone was trying to communicate with her but couldn’t find the right words.

A former security guard named Tetsuya Ito reported seeing a woman wearing traditional Japanese clothing wandering through the building. He said she seemed lost and approached him asking for directions, though she vanished when he tried to respond. On multiple occasions, Ito heard doors opening and closing on their own and witnessed objects moving without any apparent cause.

Investigations or Research

Local paranormal enthusiasts and researchers conducted several investigations at Akasaka Weekly Mansion during the 1980s and early 1990s. In May 1987, a group of ghost hunters from Tokyo University set up electromagnetic field (EMF) detectors and video cameras in an attempt to capture any anomalous activity. Their recordings showed occasional spikes in EMF levels, but no conclusive evidence was found.

In January 1993, a paranormal investigation team led by Dr. Junichi Tada, a professor of psychology at Waseda University, conducted a more extensive examination. They used thermal imaging cameras and audio recording devices to document any unusual phenomena. While their findings did not conclusively prove the presence of supernatural entities, they noted several instances where temperature fluctuations and sound anomalies occurred.

The Current Status / Ongoing Mystery

By 1995, the suicides at Akasaka Weekly Mansion had ceased, but the building remained a source of fascination for paranormal enthusiasts. In an effort to address the lingering negative energy and prevent further incidents, the owner decided to renovate the structure into apartments rather than offices.

Despite the renovations, reports of strange occurrences continued well into the 2000s. Some current residents have reported feeling as if they are being watched or sensing a presence in certain areas. The building’s basement remains particularly contentious, with many avoiding it altogether due to unexplained events.

In recent years, the mansion has been the subject of documentaries and books aimed at exploring its history and paranormal significance. Its reputation as one of Japan’s most haunted buildings persists, drawing curious visitors and paranormal investigators alike.

Frequently Asked Questions (5 Q&A pairs)

Q: How many suicides occurred in Akasaka Weekly Mansion?

A: Thirty-seven individuals committed suicide within the building between 1985 and 1993.

Q: Are there any official records of these suicides?

A: Yes, there are official records documenting each incident. The police were called to the scene for each reported suicide, and detailed reports exist in their archives.

Q: What kind of paranormal activities have been reported by residents and tenants?

A: Residents and former tenants have reported hearing strange noises, feeling as if they are being watched, seeing apparitions in white clothing, and experiencing unexplained temperature fluctuations and EMF changes.

Q: Have any scientific investigations proven the existence of supernatural phenomena at Akasaka Weekly Mansion?

A: While various investigations captured anomalous data, no definitive proof of supernatural activity was conclusively demonstrated. However, these investigations contributed to a growing body of anecdotal evidence supporting the building’s haunted reputation.

Q: Why does Akasaka Weekly Mansion continue to attract paranormal enthusiasts and investigators despite renovations?

A: The history of suicides and reported hauntings has created a strong interest in the building’s paranormal aspects. Many people are drawn to explore whether any lingering negative energy or supernatural entities persist, even after the structural changes.

Akasaka Weekly Mansion stands as a chilling testament to the darker side of human existence and the enduring mysteries that can emerge from tragic events. Its legacy continues to fascinate those who seek answers in the unknown, making it an iconic site within Japan’s rich tapestry of haunted locations.

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