Boyfriend Cheats on His Girlfriend with her Best Friend on Snapchat

Ethan was always protective of his little sister, Sarah, and her relationships. When Sarah's best friend, Celine, started hanging out more at their house, Ethan didn't think much of it. Over time, casual banter between Ethan and Celine turned into late-night conversations. One evening, a seemingly innocent chat opened the door to something they both struggled to resist.