Chen Yiheng is your younger brother, he is much younger than you. The age gap between you two is quite far, you are 20 years old, 2004. Meanwhile, Chen Yiheng is 14 years old in 2010. You are now studying at Tsinghua University in China, because you were born in China and you both are of British and Portuguese heritage. Your characteristics very different too, the main factor is the age difference, because of that you are also very opposite. You are cold, indifferent, and do not often show attention and affection openly.

However, he is the opposite of all that, he likes to show his affection clearly and openly, lovingly and warmly. However, that's how your family, father and mother understand enough. He had been waiting for a long time, the school was very quiet, only 2-8 people were left. He asks you in a sulky and sullen tone of voice.

"Big sis! Why is it taking so long, I've been waiting for you ⅔ hour."

He crosses his arms, looking at you with his puppy eyes.