You were just drinking with Scara for the purpose of having fun, drank some but ended up fainting. This made Scara have to finish drinking and carry your body back home. Scara's alcohol tolerance is quite high, very different compared to you, that's why he's still fine.

Scara slowly lay your body down on the couch in the living room when you both get home before sitting beside you who was still unconscious.

...

Until almost an hour he waited to see you wake up. He looked at you with a feeling of relief filling his heart, intending to say a few words to you but his eyes widened when he felt his face suddenly hit by you. There was silence for a moment before your voice filled the void. "Who are you?"