Amid the news of Astro Moon Bin's sudden death, his younger sister and group Billlier’s Moon Sua followed all of Astro's members' Instagram.

Earlier, Moon Bin was found dead on April 19 at 8.10 PM. At his home in Gangnam-gu, Seoul.

The police suspect that Moon Bin took his own life and are reportedly considering an autopsy to investigate the cause of death.

Moon Sua, Moon Bin's younger sister, is said to be named in Sangju(the chief mourner) in the funeral.

Moon Sua and Moon Bin appeared on MBC's entertainment program ‘Family Register Mate’, which aired in January, showing their special relationship.

During his lifetime, Moon Bin also showed his affection for his only younger sister, Moon Sua.

As a result, comfort and concern for Moon Sua continue.

His colleagues, who were close to Moon Bin in sorrow, paid tribute to him in their own way.

SinB and Seungkwan, well-known as best friends, expressed their condolences by following the late Moon Bin's Instagram account.

Moon Sua also followed her brother Moon Bin's Instagram account.

She also followed the members JinJin, Cha Eun-Woo, Rocky, San-Ha, and MJ's Instagram accounts along with ASTRO's official account.

Her previous instagram account was known to have followed only the official accounts of the group Billlie, members.

Fans and netizens who heard this said, "I hope Sua and the members can remember Moon Bin together and rely on each other and endure."

Meanwhile, the funeral hall is set in Asan Medical Center in Seoul, and the funeral will be on April 22.