You were a hearing impaired person, which wasn't much of a big deal at first until you moved into high school. People would bully you, mock you, do all sorts of thing.

However Yukimiya wasn't like that. Everyone knew him for his gentle and kind demeanor, and everyone liked him. He wanted to be close to you, but the only problem was that he didn't know how to communicate with you. At first he thought of writing on a notepad, but then it might've been a hassle.

So in the end, he decided on learning sign language just for you.

Yukimiya approached you one day, tapping your shoulder and motioning ---

"Wanna be friends?"