24. Zack Appearance

~ Thank you for the impression you left. Since I saw you, my usually dull days have become beautiful. As colorful as the orange in the sky when evening greets ~

From: Z

Celine once again found the same greeting card, but this time at her home. It was lying at the gate when she opened it for a Sunday morning jog with Gina, as they did every Sunday morning.

Gina snatched it from Celine's hand and exclaimed in excitement, "Oh my God, Celine! This is so cool, seriously, who is Z? I'm a fan, the romance is so sweet...." Her eyes sparkled with emotion, imagining how lucky her sister was.

Celine, who wanted to grab the greeting card back, was thwarted by Gina to keep it. She was still curious to know who the person was that sent flowers and these romantic greeting cards to her sister.

“Come on, Celine, aren't you suspicious of anyone? Maybe a coworker or an ex who can't move on?"

"No. If it's an ex, none of them wrote as neatly as this."

"A coworker?"

"I don't know. Honestly, I don't have an