It's Not Your Fault
Twin pranks don't always end in laughter, as this story illustrates. The protagonist was dating a twin who decided to switch places as a joke, ultimately leading to an unintended and unfortunate outcome.
The original twin became upset when the protagonist kissed her twin, mistaking her for her sibling. This misunderstanding resulted in a breakup, with the twins believing that the protagonist "should have known" the difference. It's a situation where confusion has unforeseen and unfortunate consequences.
