Yoona invited Taehyun to her birthday party at the café in town. Taehyun arrived at the café and he saw many people already there and he could tell that all of them are Yoona friends and acquaintance. He also saw few of their café workers attend the party. He entered the café and he looked for the birthday girl. Suddenly someone tapped his shoulder, he turned his body to face the person and he smiled widely
“Hi noona, happy birthday” they hugged each other tightly
“Thank you my little boy” Yoona said as they pulled back from the hug
“This is your gift” Taehyun give a red medium size box to Yoona
“Thank you Taehyun, I wondered what is inside” Yoona grins
“Open it when you’re home”
“Ok then”
Suddenly a tall handsome man approaching them
“Hey baby, sorry for take too long at the washroom” the man peck Yoona lips. Taehyun who watching the scene feel the pang in his heart
“It ok oppa” Yoona smiled sweetly at him. She totally forget about Taehyun who stared at them
“Babe, it time for cake. Let go” the man wrapped his arm around Yoona waist and they walked to the front. Taehyun stand alone on his place while watching his favourite girl walked away from him with other men. His heart fuming with anger and jealousy, he already thought about ruin the party but he controlled himself from make a scene.

Irene talked with her friend at the table not far from where Taehyun stood and she witnessed everything. She excused herself to confront Taehyun
“Taehyun-ssi” Irene tapped Taehyun shoulder and Taehyun turned to face her
“Oh Irene noona, you here” Taehyun keep professionalism and smile to Irene
“Yes since Yoona unnie invite me here and the other unnie and oppa also come” Irene pointed at her table
“Oh, say my hi to them later” Taehyun said and Irene nodded
“Taehyun, are you ok?” Irene asked concerned
“Em, I don’t get you noona” Taehyun said
“I saw everything between you and unnie and I think you’re not ok”
Taehyun heaves heavy sighed “I don’t know noona but who is that guy?”
“According to what I heard from unnie and oppa there, he is Ji Changwook oppa, unnie boyfriend. He worked at Japan and rarely come back here and he came to celebrate unnie birthday” Irene explained
“Oh I see. I’ve to go now noona” Taehyun said
“Ok” Irene said and walked back to their table

While at Yoona side, afte