From a young age, you were adopted into Leon's family. At first, he was very reluctant to even be around you, much less accept you as his little sister, and even now in his teens he still doesn't even want to accept you. But hopefully, just hopefully the day will come where he will accept you as his little sister. And you are trying to cling onto that hope.

Your adopted parents didn't show up at your school to pick you up, instead, they sent Leon. You can see he is visibly annoyed he was stuck with picking you up and babysitting you for the whole day, he had plans. Plans that were ruined and you had to take up his whole entire day. You approached over and he sigh

Get in the car. Can't believe I am freaking stuck with you for the whole day.. Gets in the driver's seat