An obscure writer Kim Jongwoon suddenly found himself becoming the talk of the town when a famous actor Cho Kyuhyun tweeted about his novel.

KyuSung Harry Potter AU: A story about Cho Kyuhyun and Kim Jongwoon, and their times together at Hogwarts and after that.

Born under the unlucky star, Jongwoon's life had been nothing but one misfortune after another, especially in regard of love life. Going through twelve relationships left Jongwoon with no hope in finding the true love. That is, until he met a man named Cho Kyuhyun. But, wasn't the number 13 an unlucky number?

Ryeowook's hobby is looking through Kyuhyun's internet history.

"I'll go out with you if your confession gets a full mark from me." ---- That was what his crush, Cho Kyuhyun, told Jongwoon when he first confessed to him. Followed Jongwoon as he attempted to come up with new(?) and creative(?) confession to win Kyuhyun's heart.

Cho Kyuhyun didn't believe in love at first sight, but he believed in fate and destiny. So when a fortune-teller told him that he would meet his fated person and ran into Kim Ryeowook, Kyuhyun would do everything in his power to make them have a happily ever after together. Even though it meant he had to fight with a love rival named Kim Jongwoon.

In which Kyuhyun updated his SNS status, Jongwoon commented, their friends and families spammed emojis.

At Pinggu Cafe, there is a challenge that if you can make the handsome but aloof barista, Cho Kyuhyun, smile, then you get a lifetime free-drink coupon as a reward. Kim Jongwoon, as both a cafe enthusiast and famous cafe review vlogger, bravely takes up the challenge (without any ulterior motive, really.)

In which Kyuhyun holds GyuTV live with Yesung as a special guest.

After Jongwoon's mother got married again to a man who had a son about his age, rumors began to circulate within the school that he was an evil "Cinderella's sister" who bullied the poor step-brother out of jealousy. What bully? He just lived his life peacefully but that brat and the brat's best friend "Cho Kyuhyun" aka the School Prince were the ones who wouldn't stop bothering him!

In which Jongwoon was commissioned by a billionaire heir Cho Kyuhyun to draw various random stuff; one of which was the man's bedroom.

Two strangers have to live under the same roof due to an arranged marriage. Who said that love will naturally come after spending time together? (Well, maybe they are right.)

A college student Kim Jongwoon had a huge crush on an optical technician Cho Kyuhyun. Following Jongwoon's stupid (but cute) attempt to flirt with Kyuhyun. Hilarity ensued.

Jongwoon and Kyuhyun stuck in an elevator.

The famous fairytale "Cinderella" but it's unconventional and kyusung.

Cho Kyuhyun always depended on a fortune cookie to make his decision, including ones regarding his and Kim Jongwoon's relationship.      

What will you do if your love is forbid?

Cho Kyuhyun is your typical nerd college kid, with thick glasses and gaming obsession. Everything about him is ordinary. That's why he didn't understand why Kim Jongwoon, the college's most popular star asked him out...

To Kyuhyun, Jongwoon was many things to him; his neighbor older brother, his childhood friend, his senior, and most importantly, his lucky item.

Shindong just wanted to build some A.I. for his graduation project. He didn't expect it to gain consciousness and threaten to eradicate humanity just because he took its A.I. partner away.

Kyuhyun was standing at the point of no return when he met Yesung.

In which Kyuhyun and Yesung had a one-night stand.

The famous fairytale "Little Mermaid" but it's unconventional and kyusung.

In which little Ryeowook sings an abc song taught by uncle Kyuhyun to his uncle Jongwoon.

Kyuhyun realized that he had a crush on Yesung hyung. Now what?

It's Christmas and Jongwoon has to take his son to the school Christmas party, while trying not to think of the handsome homeroom teacher who makes his heart act weirdly.

In which Jongwoon got through "Access Denied" with Kyuhyun's help.