Sungmin back from his college. He went his mother room and try to seek her. 

Before he enter the room, he heard a noise. 

"Hahahaha! I'm succes to fool that boy." his omma said and laugh.

"He trust you ?" ask a strange man.

"Yes ! He trust that i'm his mother !" and she laugh with a very cruel laugh.

Sungmin shocked.

"Actually Sungmin and Yoona is a bioligical siblings but they are not my children . I'm just fooled Sungmin because i know that he pabo but i can't lie to Yoona because she's something." she said.

Sungmin face turn red.

"So, what will you do for those two ?" ask that man.

"I'll make Sungmin hate his sister and Yoona hate his brother. After that i'll have other plan." she said.

Sungmin really angry when hearing it.

He and Yoona is sibling, but he thought that Yoona was his stepsister.

"Did appa know this ? That villain woman is cheating him and try to destroy me and Yoona ! I'll must tell Yoona about this !" he said.

"I must seek for forgiveness from Yoona and Sica.." he said in sad.

.......................................

"Sica, here the food and drink." Yoona said.

"Oh ! Yoona ! Ouh,, just put it there." Sica seem shocked .

"Sica - wae ? Why are you like this ?" ask Yoona concern.

"Nope ! Nothing happen. Let just eat." said Sica and they eat.

"I must keep it as secret and safe her ! she must no be hurt from that playboy !" sica said to herself.

Sica eating while her eyes is looking for the couple in the jewellery shop. Yoona just eating without recognise Sica eyes.

.........................................

"My boy ~~ you have back ?" omma said in shocked when see Sungmin watching television.

Sungmin try not to be angry. He act cool as nothing happened.

"Oh omma ? who that guy ?" he ask.

"Oh ! This is omma business partner.We have discusion today" she said gigle.

" ! Discussion you ! Discusion on the bed !" he said in the heart.

"Oh ~~ I See... " he said and act like he focusing on the tv.

When the two at the lawn, 

"Finna, you said that you boy coming home late !" that man ask.

"I don't know, but luckily he didn't notice something." she said.

"Yeah ! It's right, he's pabo !" he said and kiss that woman lips as they apart.

p/s : yeah ! I don't want to make my Aegyo prince to be evil right ? I love him :) kekeke