Hyoyeon was patiently standing in front of the Literature department faculty room, waiting for someone. It has been two days since Jongin was replaced by a new professor, and she has not seen him since then.

She rested her back against a wall, and grabbed her phone from her bag. She has a new message, from Yuri. It read:

Hyo, where are you?

Hyoyeon sighed. She did not want to tell Yuri where she was, because she knew that it will only worry her bestfriend.

"Are you waiting for someone?" a voice asked. Hyoyeon turned to look, it was Choi Sooyoung.

"Professor Choi! Good morning," Hyoyeon smiled.

"You're still waiting for him?" Sooyoung asked. Hyoyeon knew Sooyoung was referring to Jongin.

"I really need to talk to him," Hyoyeon answered.

Sooyoung shook her head, "I'm sorry, but he's not here. He's on indefinite leave, and I don't know when he'll come back."

Hyoyeon forced a smile, "Thanks, Professor Choi," she said before she started to walk.

Sooyoung gave Hyoyeon a worried look, then she called out, "Miss Kim, wait up!"

Hyoyeon turned to look, and she saw Sooyoung running towards her.

“Here Miss Kim,” Sooyoung said as she opened her phone, “I’ll give you Professor Kim’s phone number. Maybe if you try to call him, he’ll answer.”

Hyoyeon was surprised with what Sooyoung did, “Professor Choi, thank you,” Hyoyeon smiled, “Thank you very much!”

Sooyoung smiled, “You’re