Mark, the guy that sana was once madly in love with. She used to dreamt about being with him and to have a happy and wonderful life with him till her last breath.

He went missing in the air right after he left. He never gave sana a simple explanation or never reached out to sana.

Years passed and now sana is someones wife and mother of two kids. That someone is chou tzuyu. A very humble and understanding human being. Tzuyu respected her a lot. Throughout the years tzuyu has never screamed or scolded her. Tzuyu was so good that sometimes sana thought someone like tzuyu don't deserves a selfish person like herself.

Sana didn't know what was happening inside her. A wave of confusion was what she was feeling right now.

"Sana...." Tzuyus called sana. Sana flinched.
"Huh?" Sana asked.
"Are you ok?" Asked tzuyu. Sana nodded with a bit of hesitant but then smiled. Both of them just made the twins fall asleep in their room on the crib.

"Are you sure?" Asked tzuyu. Sana nodded. But deep inside she wasn't.
"I didn't know that you knew boss." Said tzuyu.
"Actually we went to the same highschool and university but he left university in the middle." Said Sana . Tzuyu nodded understanding.

"Let's go back to sleep now. It's too late now. I know you are tired too. " Said tzuyu. Sana smiled. Tzuyu took sana's hand in her and both started to walk to their bed. They sleep in bed as tzuyu hugged sana and sana hugged her back then fall asleep.

The week passed away just like that. But still couldn't get mark out of her head. Tzuyu has seen how sana was actually zoning out. But everytime she would ask sana would say no.

Just like everyday tzuyu again left for work. Sana bid her goodbye and started to do the chores. Untill her phone rang. Sana went to her phone and picked it up.

"An unknown number.....?" Sana said to herself. Sana was in hesitant whether to pick it up or not. But then she picked it up.
"Hello?" Sana asked. It was silence in the other side.
"Can you pls tell me who are you?" Asked sana annoyed a bit.
"S-sana ....." The person from the other line spoke. Sana felt like stopped breathing a moment. Her frowned face softened and her eyes became teary a bit.

"Sana it's me ....mark ." Said mark from the other line.
"W-why did you call?" Asked sana.
Mark chuckled sarcastically and said, "I wasn't here for three years and y-you already gave my place to someone sana?" Mark said with a pain in his voice.
"Wh-what do you want to say , say it fast. " Sana said gulping trying to be cold to mark.
"Of course... w-why would you care f-for me anymore.... y-you have someone else now...." Said mark with a crack voice.
"Just say what you want to say...." Said Sana as her tears fell.
"Sana .......let's meet up.....I-i haven't get you out of my head from last week....let's meet....pls. " said mark.
"I can't....I am married mark...." Said Sana.
"Pls ....pls just this once. " Said mark.
Sana thought for a while. Her heart was melting at one point and the emotions were flowing hard.
Sana sighed.
"Ok....let's meet up......"

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Their was a silence between them. The twins weren't with sana. She left them to the neighbors house saying that she has to go out for an important work. She was with mark right now. They are in a restaurant. Mark booked the whole VIP area for them.

"Sana.....I am so happy that you agreed to meet with me. " Mark said holding sana's hand which were on top of the table. Sana moved her hand away.
Sana moved her hand away and looked somewhere else.

"It's f-fine. I actually wanted to tell you what happened to me in this three years. " Said mark looking down. Sana looked at him.
"It doesn't matter to me anymore. If you are here to tell me about our past then let me remind you , it's over mark. " Said Sana.
"Pls.....pls listen to me once. You need to know. Sana my father planned all of this. He took away my phone and hacked my social media accounts. He even threatened me. I-i had no one there. You have no idea h-how my years passed there......." Said mark holding back his tears.

Sana looked at mark sadly. Her heart was again felt like melting. She felt bad. Her mind again went to thinking how things could've been easier for her and mark if their family weren't against their relationship.
"Sana....... I just wanted to tell you what happened with me.....can we..can we go back on how we were? Sana you don't know how much I have missed you. It doesn't matter to me if you are married to someone else. It doesn't matter to me if you have kids with someone else. I will love you just the way I loved you back in university. Heck I will love you more. Just pls ....pls come back to me. "   Said mark. He then again took one of sana's hand between his hands.
"Pls just this one time....and I am never letting you go....." Said mark. Sana who was in a great confusion right now stood up from her seat and was about to leave but then mark hold her hand, he went Infront of sana and cupped her face and said,

"I will be waiting for your answer. Call me when you are ready to tell me....." Mark said with his pleading eyes. Sanas tears fell. Sana took marks hands off her face and left the restaurant.

From that day sana's mind was occupied with mark. How mark actually pleaded her and all.
The next few days sana would always think about her and mark being together and all.

"Honey , I am going to work. Take care , ok?" Said tzuyu looking at sana lovingly then gave a kiss on sana's forehead. Sana unknowingly smiled at Tzuyu's gesture. Tzuyu caressed her cheeks while smiling and then moved closer to sana. She cupped sana's cheeks and gave a kiss on her lips. It was a sweet and loving kiss. Sana took it whole hearted. A blush came across sana's face as tzuyu broke the kiss. She hugged tzuyu and said,

"You take care too yeobo. "

Then after a minute she let go off the hug. Tzuyu smiled and started for her office. Before going to the door she turned around and bid goodbye. After tzuyu left sana smilingly went back to her and tzuyu's bedroom and started to do her chores.

An hour later the bell rang. Sana got surprised as usually no one comes at house that hour. Sana opened it and saw mark. Sana frowned.

"What are you doing here?" Sana asked. Mark smiled.
"Sana can I come inside?" Asked mark. Sana let him enter.
"Sana here's a flower for you. " Said mark giving a rose to sana. The same way how he used to give her back in their highschool days when they first started dating.

Sana just took it as she didn't wanted to be rude. Mark smiled.
"So this is where you live...." Mark said looking around. Sana was about to go back but then mark hold her hand and said, "let's talk sana. "

"Look mark I have a lot of work to do. So if you are done pls go . " Said Sana coldly.
"You still haven't answered me..." Said mark.
"Is there anything t-to answer?" Said Sana looking away.
"Sana....I know you still have feelings for me. If not then why are you moving yourself away from me? You are afraid that you will fall for me again. " Said mark.

Sana got away from mark. She went back to her work.

Mark just sighed. He then left the house. The next day he again came.
He just sat on the couch and stared at sana who was doing her work.
"Stop staring." Sana said. Mark just smiled.
"It's just....you don't feel real....so perfect....." Said mark. Sana felt something in her heart. The feelings that she buried were digging up by herself now.

Mark continued to come here whenever tzuyu wasn't home. The cold ice of anger and madness towards mark was slowly melting in sana's heart.

"Sana.....I want to share so many things with you....." Mark said to sana while holding her hand. Sana sat on the couch with him.

Usually sana wouldn't talk but this time sana did talk with him. they both spend time with each other. Sana this time would wait for him to show up. If he didn't she would be worried about it.

"H-hello...."
"Sana? Y-you called?" Asked mark happily.
"I.....I m-mistakenly called....." Said Sana. Both of them continued to talk for hours.

Sana felt comfortable with him.
It was another day as mark went to their house. Sana was making coffee for both of them as mark was waiting for her. She took the coffee and went to the living room.

"Your coffee is still great as always......"mark then hold sana's hand and said, "I would have never make you work with those beautiful hands......"

Sana's eyes flickered. Mark started to move closer to sana. What was surprising is that sana didn't flinch. Short after mark kissed sana. Sana who got attracted at that moment also kissed back mark. All of her feelings for mark came back. She realized she has already fell for mark again. But then stopped as she remembered tzuyu. Her tears fell. She pushed mark a bit.
"T-this is w-wrong....... m-mark this is a s-sin....." Sana said as her tears fell.
"Sana loving someone is not a sin. You love me...I love you ....we both love each other....." Mark then cupped sana's face.
"Sana.....if this isn't the sign then I don't know. You kissed me back. I felt our love. Sana pls say yes. I will look after everything....pls...." Mark said pleading.
"Try to remember our days....how happy we were. Have you been that happy after you married to tzuyu? I know......I knew it the moment I saw you. Sana I love you so much. Tzuyu can't even compete the way I love you!!!! Just give us another chance. " He said tearing up . He connected their forehead. Both of them were crying.

Then sana said something between her sobs that shocked mark,

"I l-love you mark....I s-still do....."

That's how it all started.

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Tzuyu would always considered herself as the happiest in the world. She has a beautiful wife and two beautiful kids at home, a good job. Even though she doesn't have friends. That doesn't matter. Cause her wife is her everything. Tzuyu might not be someone who express her love with words. But someone who express her love towards action.

She loves sana so much that she can't even express through words. She never had the courage to say I love you to sana. But make sure to do things for sana to feel loved.

Tzuyu went back to her house and found sana. Preparing foods .
"Honey, I am home!" Tzuyu said from the doorstep.
"Welcome back. " Said Sana smiling. Tzuyu went to sana and hug her like she always do after coming back from office. She kissed sana's forehead and then went inside to the kids. The kids smiled looking at tzuyu.

"Little munchkins, mamas home. " Tzuyu said softly to them and give each of them a kiss on their cheeks. Both of them giggled cutely. Minju tried to hide her face while hyewon hugged her toy as her face became red because of smiling. Their smiles were so big. Tzuyu's tiredness went away just in a moment.

Tzuyu then took a bath and now was on the dinner table with sana. Usually they both would talk how their day was but tzuyu has noticed from the past few days that sana is not talking to her that much about how her day was. She wondered if sana was actually mad at her or not.

"Umm sana....how was your day?" Said tzuyu.
"Good...." Sana said and then didn't say anything. Sana would always talk about the kids doing and so. But she hadn't done it for few days. Tzuyu didn't ask a question.

At night when tzuyu was lying down with sana while hugging her like she always do , sana quietly moved tzuyu's hands away from her and moved away from tzuyu.

As days passed by tzuyu noticed the changes in Sana. Sana would always be on her phone. Smiling and giggling like a teenager.

"Sana so what did you do today?" Tzuyu asked to start a conversation. But then sana said,
"Tzuyu I am busy right now......"
Tzuyu didn't reply back.

At midnight, when both of them were lying on the bed sana's phone beeped. Sana went out of the bed and went to the balcony. She talk their with mark quietly. This was her daily routine now. She would stay up late night waiting for marks call. The