It has ended. The last chapters wrapped up the plot and brought the manhwa to a close. There might be spin-offs or related works in the future, but the main storyline is completed.
Well, usually it involves showing them kindness and setting clear boundaries. Sometimes, it might also require getting them involved in positive activities to change their behavior.
I have no definite information on when it will come back. You might want to keep an eye on official announcements or the creator's social media for updates.
When targeted by a bully in a manhwa, you might consider using your wits to outsmart them or looking for support from other characters within the story. Also, don't forget to keep your confidence and believe in your ability to overcome the situation.