The school prohibits romantic relationship between students and teachers.

Kim Taeyeon breaks the rules. 

Hwang Tiffany doesn't even care about anything else besides Taeyeon's love. And by anything, it means literally anything.

Jung Jessica thinks everything is just like the way she wants it to be.

Im Yoona and Kim Hyoyeon always pray for the best for their bestfriend. Yes, they pray hard.