'Moonbin' from boy band 'Astro' was found dead in his residence on Wednesday night.

'Moonbin' was Moon Sua’s one-year elder brother. 'Moon Sua' is a member of the girl group 'Billlie'.

Girl group 'Billlie' will postpone and cancel its activities this week following the death of 'Moonbin' from boy band 'Astro', who was member Moon Sua’s brother, the girl group’s agency 'Mystic Story' announced Thursday.

“Fan meet-and-greet dates will be re-notified in a future update and there will be another update on the cancellation of other schedules, including broadcasting appearances.”

'Billlie' is currently promoting its fourth EP, “the Billage of Perception: chapter three” which released March 28. 'Moon Sua' and member 'Tsuki' also currently co-host the “Show Champion” weekly music show which airs every Wednesday. 

Both girl group 'Billlie' and 'Moonbin & Sanha' of the subunit 'Astro' were scheduled to appear on "Dream Concert" on May 27.