"I'm so stressed! Why I can't seem to get this part right?" Joy felt like pulling her hair out. She and Sungjae were at CUBE, finalizing their duet song for a special joined project by CUBE and SM Entertainment, with the song written by Hyunsik and will be released through SM Station project. They were left alone to practice in the practice room while Hyunsik and Changsub remained in the other room to finetune the song.

"What's so difficult about it." Sungjae settled beside her, hand grabbing the lyrics sheet from her hand and began to sing.

She grabbed it back and turned away from him, trying to concentrate singing the problematic verse. She heard him practice beside her, once in a while he would playfully bump his shoulder against hers. She ignored him and continued practicing.

After a while, she became aware of the silence next to her. 'Is he asleep?' She wondered. She turned to him and was surprised to see him staring at her.

'She looks good when she's singing.' He had been observing her and realized that he liked this serious side of her. They were often joking and laughing together, most of the time enjoying each others' company but now finally he was able to see her at work. She was actually quite serious when singing, different from when she was doing variety shows.

"Why are you staring at me?" She asked. Her heart jumped a little when he straightened. He had been sitting with his back leaning against the armrest of the sofa, dire