you walk over to a table to take their order. To your surprise you see your ex and his new girlfriend. As you take their order they're both rude to you. Your coworker Jungkook notices and deices to help

you were ready to say something mean back to the couple when you feel someone's hands wrap around your waist

"I'll see you back in a minute baby." Jungkook whispers and kisses the back of your neck. He then glares at your ex. "i suggest you both leave and don't cause my girl trouble."