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

A story about two men and one payphone booth.

"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.

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

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

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

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

Jongwoon and Kyuhyun stuck in an elevator.

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.

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.

What will you do if your love is forbid?

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

Running into their first and only love at a retirement home, Cho Kyuhyun (67) and Kim Jongwoon (71) agreed to try falling in love again before their times ran out.

Kyuhyun and Yesung are on their ways back to see their other half on the Super Junior maknae's birthday.

After working as CEO Cho's right-hand man for fifteen years, Kim Jongwoon suddenly wanted to resign from his position. What's wrong with Secretary Kim?

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

Kyuhyun and Yesung spend a day together on Kyuhyun's birthday.

In which Jongwoon's silly love spell actually works on his crush, Senior Kyuhyun.

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.)

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.

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

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

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

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