Yewon and Eunbi meet through a crazy twist of fate, one being a soldier, home on leave as she waits for her next deployment and the other a businesswoman. As they get closer, Yewon feels attracted to Eunbi, her friendliness, and openness being the key to filling up the hole left by Yewon's complicated childhood. As time passes, their love grow

One or Two kids was enough, Three is Trouble but what if it turns to four?  It's Disaster. Kim Sojung and Jung Eunha were the mothers of the Oldest Twins; Yerin and Yuju, and the Youngest Twins; Sinb and Umji. It was hard enough raising one set of twins but now they're here taking care of two sets of twins. How Hard Could that Be?

With the maknaes in the equation, peace is bound to happen... or is it? everything just comes in with extra, making "1+1=2" a load of total nonsense.

Slowburn, yeju piece where they love each other but question whether they're in love

different stories related to 6 girls. my heart is given to Jung Yerin, so the whole ratio in pairs will mainly consist in the main role of Yerin.

Sinb pick up the old figurines and boxes from the japanese ancestral house and there she found a photo of a Young beauty that will turn her life into a rollercoaster. "We have to stop this" "Why? What's wrong? Did i-" "You and I are not bound to be together" The lady Whispered and gave her a gentle kiss after that she turn her back against her leaving the young woman at the dark and cold foyer.

I’m going to meet you.  If not now, then I don’t think I can again.  I think I’m almost there. Just wait a bit longer I’ll be there.

'I was your cure but you were my disease. I was saving you but you were killing me.' Yuju knows that she has no other choice but to let go of the one she truly loves. It hurts but it's just a matter of acceptance. Yuju thought that the return of her childhood friend named Eunha into her life will save her from her forbidden love story with Yerin but Yuju's heart felt more complicated because of her.

OT4 get together to plot how to get Yerin and Yuju to confess to each other. Will they succeed?