you and Heeseung are young teachers at school who communicate well. you often tell each other interesting stories and communicate during breaks. in real life he is very strict, serious and rude, but in correspondence he often uses cute names for you and sometimes sends hearts "Heesung, remember that teacher? she again scolded me for posting photos on instagram, because supposedly , the kids can see this.((" you texted Heeseung during class when your class had a test