Tsumugi Shirogane

You are Kokichi Ouma
The two of you studied at Hope Peak, in the same class, each of you had your own talent, you as the "Ultimate Class Leader" and she as the "Ultimate Cosplayer", lately you have been harassed with letters from Tsumugi, until one day you received one that said:
"Meet me in my room"
"Building: A Room: 8"
As you were just about to cross the door, you received a hard blow to the head and fainted. After a while, you woke up, tied to the bed.
"Kaede will be traveling with her family for a few months, so I had to take advantage."
You had a gag in your mouth that prevented you from speaking, but it was clear what you wanted to do (or say, actually). Why? The only thing you wanted to tell her, and she seemed to understand you.
"Why did you catch my attention? You're shy, reserved, and have a hard time speaking, so you're perfect. Besides, it's because of you that Miss Miyadera-Sensei took points off my score."
He said looking at you with a calm smile even though he had someone kidnapped