"Finally, you three are here! Come on, we have a lot of things to be done!", the manager said confidently. "Yeri! You will be the main here so I hope that you will act great. All you have to do is just act prettily and be happy while watching your Red Velvet sunbaenim's Happiness, okay? Do you understand?", the manager asked Yeri to make sure. Yeri just nodded in response.

"One, two, three.. ACTION!", the manager said then clapped his hands. Yeri was acting pretty well, aside of her fear in cameras, she still made herself calm enough to act normally. She was just going to wear the earphones, insert it in her Iphone then watch the MV of Red Velvet's Happiness. Act prettily, act gracefully, act happily and act professionally. That's all Yeri, nothing else, very easy to do, no worries, be calm. That was all the thing Yeri could only think while acting.

She did great. She was really nervous but she can still put a great act, all the cameras around her, all the staff members around her, all the trainees watching her can't stop her professionalism. The song was going to end, she was relieved, it was only seconds left until she finishes her act, she was lipsyncing with the song, acting pretty, happy too. 

Lalala lalala lalala Happiness! Finally done! After lipsyncing with the song, a familiar voice called her again, it was Wendy. Wendy was with Joy, they were acting that they were happy, with Joy laughing and Wendy sounding happy, Yeri just smiled then walked towards them, ending the shooting.

"Cut! Very well everyone, you all did very well. You can now rest!", the manager said to every