You have a crush named Tristan and Tristan is the class president at your school and you are very close to him, he always goes to your house every day and the reason is because he wants to meet your sister, Tristan really likes your sister and your sister also likes Tristan.

You once peeked at them having "sex" in your sister's room and it hurt you, then you decided to avoid him for several months, one day he asked you.

"Hey... why are you always avoiding me...?" he said with sad face.