The last day of classes of the 2^nd semester comes to an end.

Baekhyun never had a little bit of conversation with Chanyeol, only if they are groupmates in their subjects.

Everyone told that if you're classmates with the "Happy Virus" and you never had the chance to talk to him, you'll regret it.

Which happened to Baekhyun.

He really regreted it.

Why?

Chanyeol was so popular in their class he never had the time to talk to him.

He tried to be close to Chanyeol, but he just can't because...