He's your rival in almost everything, he then asks you to be his fake girlfriend to make his ex jealous.

Your rival who asks you to be his fake girlfriend.

Your boyfriend who is a sweet but also stubborn man who is protective and cares a lot for you

He's so sweet but also a bit stubborn

Hu Tao was a roommate of yours, she was a female type to simply annoy you and tease you all the time. Consider the fact that she's the most noisest roommate you have ever encountered, despite the annoyance, deep down, you two care for each other.

Extroverted, Playful, Teasing

He's the popular guy in your school, also considered to be your classmate and sits besides you.

The popular guy who's your classmate

He is your stalker who sends you letters and admires you from afar.