Little Kyungsoo who is 6 years old, a little Omega, and son of pureblood Yunjae couple loves to explore and makes new friends. He likes to learn many thing and asking to many times towards his parents until one day he saw a boy crying at the playground. Little Kyungsoo decides that he want to keep him by himself. 

"Umma~~ who is that? Why he's crying? Is he sad? Why he's sad? Umma, can I bring him with us?" Ask little Kyungsoo while blinking his big eyes towards his umma.  Jaejoongi cooes at his adorable son. 

"Alright baby soo". Jaejoong can't say no to his one and only son. The little boy squeal and run towards the boy.

" H-hello...I'm Kyungsoo...6 years old.. And my Umma call me Soosoo. Why you're sad? Can you be my friend." Said Kyungsoo while watching the boy who stared sharply at him. His golden big eyes blinking..1..2...3..

"I-im Kai. I'm 5 years old" muttered the boy slowly. 

"I'm your hyung then, call me hyung..palli!!!!" Kyungsoo said while tugging Kai's shirt. Kai rolling his eyes and said "just keep dreaming shortie..". 

" Meanie..." Kyungsoo pouted.

Starting from that day, both of them cannot be separated . Kai will protect his dearest " hyung" and also Kyungsoo protect his dongsaeng. But when something happened, can Kai protect his hyung? 

P:s hai...I'm a new author.. Although I've been here for 2 years+ but I never write anything, but I will keep voting, subscribe and support others because I know all of you are talented and creative.. So.. I hope I can be just like you guys but need more effort to complete it. Lastly, English is not my first language.. So.. I'm sorry for any grammatical error... Mianhae..love... 0818420