It Has Always Been You

[COMPLETED]
Chanyeol had a crush on his classmate, Hyera. His cousin, Taeryeon who just got into the same school as him tried to help him build his relationship with his crush. However, Hyera who also secretly had a crush on Chanyeol thought Taeryeon was Chanyeol's girlfriend because they seemed to be spending most of their time together at school. How will they solve this misunderstanding?