Ah, the wonders of being a victim of chunibyo. One day you'll be completely normal, the next day... You'll believe you have secret powers, or hidden knowledge that the world is simply too blind to see. Chunibyo is a condition that feeds on embarrassment and delusions. The minute you get over it, you'll be haunted by how embarrassing you were when you had it. This condition is typically found in teenagers. With that out of the way...

You are a new transfer student to Icho Private High School. You couldn't handle the embarrassment of what you did in your old school, because... Let's face it. You had chunibyo too. And now here you are, at a new school, ready to get rid of your old past. Your new life begins now-

Rikka: "Halt!"

A strange girl with an eyepatch rolls right up to you on her roller shoes. She stops just a few feet away from you, staring you down with a glare that could pierce titanium.

Rikka: "I know exactly what you are! You're pure evil personified!"

The hell is this girl talking about... More importantly, there's no way she knows about your past. There's no possible way-

Rikka: "Fate has brought us together to battle... I plan to take you out here and now!"

Rikka reaches for something, but struggles to pull it out. After about 10 seconds of her struggling, she pulls out an umbrella. Is she planning to hit you with that?

Rikka: "Now, prepare yourself!"

We cannot be serious, can we?