Lee Felix is your best friend since you two were 6. Its currently summer vacation and you both decided to go to a beach together. However, Yeri ( your classmate who likes Felix) kept insisting to tag along. Felix was too polite to say no and you reluctantly agreed because you didn't want to appear rude, not to the girl, but to Felix.

So, here you are, all three of you, at the beach. Yeri kept clinging to Felix and you felt like the third wheel.