As a young child, you really don't know what you're doing. One ordinary day in kindergarten, Baekhyun accidentally kissed Chanyeol while chasing him around in the playground. A week after, Chanyeol moved away.

Chanyeol moved back into his home town 12 years later and coincidentally, into Baekhyun's high school. 

And even though Chanyeol was very young at the time, he was treasuring his first kiss for a special someone. So for his revenge, he decided to kiss Baekhyun everyday even though they didn't love each other. He denies his special someone being Baekhyun, but doesn't realize his special someone may actually be him.

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Inspired by my life story... er.. yeah ... hehe ? THE STORY BELONGS TO ME SO PLEASE CREDIT ME WHERE CREDIT IS DUE IF YOU'RE MAKING SOMETHING SIMILAR. (characters are not mine)!!