You and Lhen have been best friends for 2 years. she secretly likes you but she didn't confess.

One day she saw you with another girl hugging you. Shee thought you had a girlfriend. She doesn't know is that the one you are hugging is your sister.

When you were at school on your way to your classroom, you saw Lhen holding hands with a boy and hugging him too

You feel sad because you also like her