Seulgi knocked on the door of Joohyun's apartment. When it was finally opened, she wasn't prepared for what she saw.

"Seulgi," Joohyun softly said, voice tremulous and surprised. Seulgi looked at her - and then saw the framed photo hanging on the wall behind Joohyun.

It was the wedding photo of Joohyun and Se-young.

Seulgi knew Joohyun never put or hang a photo of Seulgi with her in her apartment because she doesn't want her parents and other friends - outside of Joy and Wendy - to know that she's dating someone younger. Seulgi did her best to understand this.

But now - seeing the wedding portrait of Joohyun and Se-young hung back, put up again on Joohyun's apartment - she felt the wind knocked out of her, her heart  ripped into pieces.

She felt her feet dragging her away from Joohyun. Then she ran.

"Seulgi!" Joohyun called out in the darkness as she ran after her.

Seulgi's vision blurred as tears cascaded down her cheeks. She saw the playground and leaned on the frame of the swing for support.

Joohyun caught up to her.

"Kailan pa Joohyun?" she asked, sobbing.

"Three months," Joohyun croaked.

"Bakit hindi mo kaagad sinabi? Kung sa kanya ka naman talaga sasaya, kahit masakit, maiintindihan ko naman e. Maiintindihan ko naman kung siya naman pala talaga mahal mo."

"Ikaw ang mahal ko," Joohyun said, now crying too.

"Kung mahal mo ko, bakit mo ko winasak?!" Seulgi couldn't he