Recent appearances of Leehan, a member of the idol group BOYNEXTDOOR, have sparked concern among fans and netizens. Observers have noticed what appears to be herpes on his lips, raising alarms about the young idol's health and the demanding schedules of idol groups. 

In a recent photo, Leehan was seen with visible sores on his lips, which fans quickly identified as potential signs of herpes. The condition, often triggered by stress and fatigue, has led netizens to voice their concerns. 

Some comments include: 

"These horrific visible sores look so bad. He needs to rest and recover properly." 

"The industry must take better care of their artists. Health should always come first."

"It looks like he won't be able to eat properly with those lips. Just let him rest"

"This photo itself must be a huge stress for the artist, wouldn't it be better to take down the photo?"