[2026] What was the cause of death of Akira Kusaka? Who was he? Summary of his career on Nico Nico Douga.

Akira Kusaka, a streamer who was active on Niconico Live and other platforms, passed away on August 18, 2026, due to acute heart failure. He was 38 years old. This article summarizes the cause of death, who Akira Kusaka was, his career on Niconico, his activities as "Chemy Killer," and the tributes that have been offered, based on announcements and news reports.

[2026] What was the cause of death of Akira Kusaka? Who was he? Summary of his career on Nico Nico Douga.

Summary of the death of Akira Kusaka
Regarding the cause of death
Who is Akira Kusaka?
Niconico history and activities
Tributes received in response to the news of the death
Frequently Asked Questions (FAQ)

Q. What was the cause of death of Akira Kusaka?

A. According to a family announcement, he passed away on August 18, 2026, due to acute heart failure.

Q. How old was Akira Kusaka?

A. She was born on December 26, 1987, and was 38 years old at the time of her death.

Q. What kind of person is Akira Kusaka?

A. He was a streamer who had been active since the early days of Nico Nico Live, and was known as Akira of "Chemie Killer".

1. Summary of the death of Akira Kusaka

Akira Kusaka, a streamer who was active on Nico Nico Live and other platforms, passed away on August 18, 2026. The following day, on the afternoon of the 19th, his X account (@Akira_Kusaka) was updated by his family, announcing his death.

👉Watch on X

【2026】クサカアキラの死因は？何者か・ニコニコでの経歴まとめ

A post by his family announced that Akira Kusaka had passed away due to acute heart failure, and explained that the funeral would be a private family affair attended only by close relatives. The sudden news has shocked and saddened fans and fellow streamers who knew him from his days on Nico Nico Live. The details are as follows:

item	Content
name	Akira Kusaka
date of birth	December 26, 1987
date of death	August 18, 2026
age	38 years old
cause of death	Acute heart failure
Announcement of death	August 19, 2026 (Announced by family on the person's X account)
funeral	Family funeral for close relatives only

2. Regarding the cause of death

According to his family, Akira Kusaka's cause of death was acute heart failure. On the afternoon of August 19, 2026, his X account was updated by his family, revealing that he had passed away the previous day, August 18, due to acute heart failure.

Akira Kusaka continued his activities until shortly before his death, and his X account was last updated on August 14, 2026. For fans who had followed his activities for a long time, the news came as a sudden shock. At this time, no details have been released regarding the specific cause of his acute heart failure or any pre-existing medical conditions.

3. Who is Akira Kusaka?

Akira Kusaka is a streamer who has been active on Nico Nico Live since its early days. Known as Akira of the comedy duo "Kemi Killer" with his partner Akemi, he has gained popularity through a wide range of streams including singing, dancing, gaming, and chatting.

🎥 I'm going to watch Akira Kusaka's makeup tutorial live stream.

Akira Kusaka's name became widely known thanks to a "makeup live stream" he did in July 2010. The live stream showed him going from barefaced to fully made up, and the dramatic transformation attracted attention, making him instantly famous as "the makeup guy." As a singer, his style is characterized by writing his own lyrics for game music, and the lyrics he wrote for the music of "Chrono Trigger" have been sung by many people. His profile can be summarized as follows:

item	Content
Place of activity	Nico Nico Live, TwitCasting, YouTube, etc.
Main activities	Streaming, singing, game commentary, event MC
Typical activities	"Chemistry Killer," "Makeup Live Stream"
Activity base	Osaka

4. History and activities on Nico Nico Douga

Akira Kusaka began his activities on Nico Nico Live around 2009. Initially, he performed under names such as "Hamar@Killer," but at the end of 2012, he standardized his stage name to "Akira Kusaka."

As part of the duo "Kemi Killer" with her partner Akemi, she created "dance cover" videos and live broadcasts together, captivating fans with her improvisational dancing and banter. In her solo activities, she mainly does face-to-face chat streams, but also engages in a wide range of activities such as reading comments, playing piano, singing, and game commentary. Beyond streaming, she has also appeared at large events such as Nico Nico Chokaigi and has experience as an MC for stage programs.

Furthermore, since 2016, he had been running the bar "Bar ChemmyKiller" in Kyobashi, Osaka. In December 2025, he announced that he would be leaving the bar and explained that in 2026 he would be starting a new life on his own. On August 12, 2026, the bar celebrated its 10th anniversary, and Akira Kusaka posted a congratulatory message on X the following day, the 13th. The news of his death came just a few days later, which came as a great shock to his fans.

5. Messages of condolence received in response to the news of the death

Following the news of Akira Kusaka's passing, many people who had known him during his lifetime have been offering their condolences.

Businessman Hiroyuki Nishimura, also known as Hiroyuki, said it was "too soon" and expressed his condolences, saying he enjoyed working on the show with him. Yoshitaka Kurita, CEO of Nico Nico and director of Dwango, also said he was speechless at the sudden news and expressed his gratitude for the entertainment he brought to many people through his activities on Nico Nico. As he had been active in the world of online streaming for a long time, many streamers and people involved in the industry who were active in the same era have also expressed their sadness.

6. Frequently Asked Questions (FAQ)

Q1. When did Akira Kusaka pass away?

A. It was August 18, 2026. The following day, the 19th, his family announced his death on his X account.

Q2. What is a "chemy killer"?

A. This was the name of the comedy duo that Akira Kusaka formed with his partner Akemi, and they gained popularity through "dance cover" videos and live broadcasts.