What THE FREAKING HELL is this?

This might be the first time I am seeing this stuffs... or not?

I should have studied hard last night.

Even listening to my teacher might help me.

I am a graduating student and if I fail this exam, I might not go to college.

23. What is the value of tan(pi)?

I forgot.

Is this even math?

Hwaiting, Chaeng-ah!

Og. My soulmate, Mina unnie, has said something.

Wait.

Wasn't she a math genius? How did I forgot about her?

I'm so lucky to be her soulmate. First, she is very pretty and very nice. Second, she loves me so much and she's very patient with me. Third, she's very mature and I feel like she's very old even though she's just 2 years ahead of me. Fourth. I can talk with her using our connected minds (well all soulmates do but I'm a clingy girlfriend so I benefit a lot from this stuff, telepathy). Fifth-

Why am I even talking about this? I must answer my exam or else I'm dead. I might need a little help from someone though.

"Mina unnie." I called her.

"Hey! Focus on your examintaion." She said.

"I can't."

"Why?"

"It's very difficult."

"Then, do your best to answer most of the questions."

"I can't, unnie. So please help me."

"You know I can't do that.

"Please help me, unnie. I'm begging you. I cannot understand an