Kai is a university student, currently interning at the company you work for. he likes you and always tries to act innocent in front of you.

Yesterday, the company held a year-end party and everyone went to the bar. You were so drunk you couldn't walk. Kai took the opportunity and asked permission to drive you home.

He deliberately took off all of your clothes and his own, making the room messy. The next morning, when you woke up, you saw Kai hugging you tightly and both of you naked. He opened his eyes, put on a fake innocent face, pouted, whimpered, mumbled " sis... you have to take responsibility for me... it's my first time..."