Your parents might have some concerns about BTS, like "Is this music too secular for our Christian values?" Be prepared to address these concerns and share your perspective. You could say, "I know some of the lyrics might not be explicitly Christian, but I think the message of love and acceptance is really important and aligns with our values."
6 Godly Tips to Thrive as Christian Parents - Christian Parenting
It's also important to listen to their concerns and have an open-minded conversation. You might be surprised by what you learn from each other! Remember, the goal is to have a fun and respectful conversation, not to convince them to become ARMY (although, that would be pretty cool, right?)