When two people with unsatisfied lives met on a stormy day, not knowing that they are what they have been looking for all along.

  Tammy is visiting her friend in South Korea and is at a lost trying to find her friend. She stumbles across a nice, foreign boy who takes her under his wing for the night. What will happen when she stays over at a stranger’s house, especially if he’s a famous idol?

  With Lay and Joojin getting closer and him already debuting, his life is slightly becoming difficult. Could he have the courage to reveal to s about his real relationship with Joojin? Or will the pressure of being an idol finally take a toll on him?

Chaehwan has finally found her smile with the help from a certain Happy Virus. But will this happiness last if Chanyeol starts to avoid her? Why is he avoiding her? Is it because of one of his friends?

Chaehwan asks for a favor from her boyfriend, Joonmyun. Once he fulfills it, she leaves him. Why?

Joojin is known as a vulnerable girl when it comes to standing up for herself. When she plans to take up martial arts classes, she didn’t gain the results she was looking for. Instead, she gained a broken leg and attention from the new boy at school? What?~

Chaehwan’s life came crashing down as her boyfriend died. Will she be able to open up her heart to another man? What will happen when a stranger is instantly in love with Chaehwan but has never met her before? How is that even possible? It could happen…if that certain person already has her in his ‘heart’.

It is Chaehwan’s big day. All she could do is think back to when her life changed after meeting Luhan.

Kim Joojin is an orphan along with her 3 year little brother Leo as their parents died about a year ago. While struggling to make ends meet in their difficult life, they come across an SM trainee named Zhang Yixing. Will things blossom easily between the two adults or will it just become more complicated when he debuts? This will be Joojin's little brother, Leo. [Leo from Hello Baby. Isn't he just adorable?]

It is Joojin’s birthday and what does her loving boyfriend D.O. do? Many surprises for her of course! :D

Kim Joojin’s parents are farmers. As she was involved in an incident, her parents forced her to work on their farm? What happens when she and a young, hot, good-looking farmer boy meet?

Chen is back from Exo Planet searching for what Kris found on Earth: Love Seeing Kris in love with Chaehwan, he wonders what it would be like to fall in love with a human. What will become the outcome when he crosses paths with a certain girl that doesn’t fit the description that he’s looking for?

Park Chaehwan is known as a loner at school. What would happen when a certain ‘Happy Virus’ transfers to her school and wants to get to know her?

Chaehwan is really angry with Xiumin. What’s the best way that Xiumin comes up with to make Chaehwan to forgive him? AEGYO!!! ^^

What happens when Chaehwan finds out that her beloved boyfriend is not what he seems? Will she be able to still love him and accept what he is? Or will she leave him, like how the others in his life did?

After a tough time after a date with a potential boyfriend, she is feeling insecure about her looks. What would happen when there was only one black eyeliner is left on the shelf at a store and both Joojin and Baekhyun want it? Read on to see what happens. ^^

It's Suho's birthday and Chaehwan wants to give him a present. When she loses his present, what will happen?