"Sejeong-ah!" Sehun called out to Sejeong, who just exited her exam room. 

"Sehun-oppa, what are you doing here?" Sejeong asked. She could see some eyes glaring at her. 

"Waiting for you. Remember about the party tonight?" Sehun reminded her. 

"Ahh...yes yes! But I thought we were going to meet back at the house?" Sejeong whispered in her soft voice. 

Sejeong didn't want anyone to know that they are renting at the same place. Sehun's fangirls would not let her live down if they knew. 

"Aishh...What are you worry about?" Sehun stated. He knew the reason why she was keeping the distance. And he hated it. 

They started walking out of the building. Sehun offered to hold her bag but Sejeong just shook her head saying that she was fine. He heavily sighed. There was even a small gap between them when they were walking. 

Every time Sehun tried to move in closer, Sejeong would slowly distance out. They both walked to the bus station. 

"Oppa, do you feel someone following us?" Sejeong asked after they settled down on the bus. Her eyes scanned around the bus and spotted the figure who was following them. 

"Don't look at them," Sehun stated, putting his arm over her shoulder and moved her head away from the figure. 

Sejeong slightly blushed at the embrace but nodded. 

"So you noticed too?" she whispered. 

"Yeah. I was wondering what were they up to." He stated. In fact, he already this person yesterday at their restaurant. He kept silent because he didn't want to worry Sejeong. 

"I think I saw them yesterday as well," Sejeong told him in her silent voice. 

"You also noticed that?" Sehun asked. 

"So you do as well?" she grumbled at him for not telling her. 

"Ayaa...mianhae. I didn't want to worry you." Sehun whispered, leaning toward her ears. 

Sejeong tried to remain calm and slightly pushed him away. "Fine...you're forgiven." 

"Here's our stop," Sehun told her. She nodded and they went down. The person also followed. 

Sehun grabbed Sejeong's hand and quickly walked back to the house. He quickly shut the door and locked it as soon as they got in.

"Oppa?" Sejeong asked worriedly. 

"I think we lost him." Sehun breathed in heavily. 

"Lost who?" a voice asked them. 

"Jaewook-ajeossi." they both greeted. 

"Are you guys okay? You guys looked scared." Jaewook asked them worriedly. 

"Aniya...it's just there was someone following us on our way back," Sehun explained. 

"Someone followed you guys? Who?" Jaewook asked, taking out his small notebook. 

"We don't really know. But the person was also at the restaurant we worked at yesterday." Sejeong told him. 

"Did you guys see his face?" Jaewook continued his interrogation without noticing. 

"Ajeossi...you're at it again," Sejeong told him. 

"What?" He asked, before realizing. 

"Ah mianhe. Oh, dang it...I got to go now. You two stay here safe and locked up okay? We'll talk more about it later on." Jaewook warned them as he went out. 

"Neh. See you later ajeossi!" they both stated. 

After Jaewook left, Sehun immediately locked the door. 

"I guess we're safe." Sehun stated, "I didn't see that person outside." 

Sejeong breathed out in relief. "Right. That's good." 

"Gwechana?" Sehun asked Sejeong. 

"I'm good. I'm gonna go take a shower first. Then I'll make dinner later for us. Is that fine with you oppa?" she asked. 

"Yeh sure. You go ahead. I'll sit down here and picked out a movie." Sehun grinned mischievously. 

"Alrighty. But oppa, don't play any trick. You know I'm not scared of anything. Unlike you" She stuck her tongue out and teased him before running upstairs. 

"Yah!" he yelled, but couldn't chase after her since she already went into her room. 

"That's girl..." he huffed, before proceeding to select his movie. 

0-0-0-0-0-0-0-0

Back at Jaewook...

He was walking toward the station. But felt someone following him. 

Were they the ones...

He tried to stop and pretended to open out his notebook to check something. The person stopped at a distance as well. 

Jaewook tried to take off his glass and use it as a reflection piece, but his eyesight didn't let him. He heavily sighed. 

His phone rang. 

"Yeoboseyo," he asked. 

"Where are you?" the voice asked. 

"Ah...Won-hee...I'm coming." Jaewook replied. 

"Just hurry up," Won-hee stated before hanging up.* 

Jaewook turned around and saw the person was gone before he noticed it. 

Dang it! 

But then he saw a camera in the corner and quickly took note of it before running to his destination. 

0-0-0-0-0-0-0-0-0

Somewhere unknown...

"Are you sure they are suitable?" Person A asked. 

"Yes I'm sure." Person B replied. 

"I have a good feeling about these 4...but these 3, they are just mediocre." Person C stated. 

"No. I have a good feeling about him." Person A stated, pointing in one of the three.

"So when do we start?" Person D asked. 

"Soon." Person A stated. 

"But one of the experiments already escaped." Person B reminded Person A. 

"Right. We have to figure how who let that person go." Person A stated. 

"Leave it to me." Person C stated. 

They all nodded except D, who pretended to be immersed in the picture. 

Suddenly a text message came in for them

From: Unknown 

3 of them already noticed me. What should I do? 

To: Person A

---------

From Person A

Proceed with the remaining 3 that you haven't reported. Try to not engage with those 3 who noticed you.

To: Unknown

---------

From Unknown

Roger.

To: Person A

To Be Continued....

[*] = Won-hee is actually Detective Im Won-hee, who appeared in season 2 episode 1. 

Sorry for the shorter chapter this time. I still hope you guys enjoyed it. What do you think? Can you guys guess who is the 'unknown' person? Person A? Person B? Person C? Person D? 

Hope you guys also liked our Se-Se moments. 

And Finally...

Stream Sejeong 'Warning'! ^_^ 

Til' next time, 

Adieu

[P/S: I based some of the Se-Se interaction from EXO-SC 'borderline' & Sejeong 'maybe i am' ]