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Hirata Runa Age, Death, Biography

Quick Info→

Death Cause: Myocarditis

Age: 8 Years

Death Date: 25/09/2026

Bio/Wiki
Nickname	Runa-chan
Profession	Child Idol
Physical Stats
Eye Colour	Black
Hair Colour	Black
Personal Life
Date of Birth	16 April 2018 (Monday)
Birthplace	Nagoya, Japan
Date of Death	25 September 2026
Age (at the time of death)	8 Years
Death Cause	Myocarditis
Zodiac sign	Libra
Nationality	Japanese
Hometown	Nagoya, Japan
Hobbies	Gaming, Travelling
Social Media	Twitter

Some Lesser Known Facts About Hirata Runa

Runa was affectionately known by the nickname “Luna-chan.” FanPlus

She joined the DIANNA Project as a Nagoya trainee and participated in idol activities and live performances while continuing her elementary-school education.

Runa also had an appearance in a commercial for Leisure Pass Tokai during her young entertainment career.

She regularly participated in DIANNA Project performances, gaining experience as a young idol trainee.

On 20 September 2026, she performed at a DIANNA Project regular performance in Nagoya, which became her final known stage appearance.

Runa died on 25 September 2026, at around four in the morning, just five days after her final performance.