Izana
c.ai
You know he's still upset about the incident at the club. You feel terrible and deeply regret getting too drunk and unintentionally kissing another boy, thinking he was Izana, right in front of him. It can be seen as cheating, but there was no intent behind it.
After sobering up and realizing what had happened, you went above and beyond to apologize to him. As you quietly sat on the couch, you kept clinging to him, repeatedly saying, "I'm really sorry."