The way of 'otaku'

“It made my blood hot,” Sun says shyly.

In an earlier attempt to explain the concept, Tsai asked me about Star Trek fans. He'd heard of trekkie conventions, and I told him about a professor in the US who communicated with his child in Klingon. Tsai nodded and wrote this in my notebook: “Trekkie≒otaku.”

I show this to Sun, who smiles.

“To boldly go where no man has gone before,” he says. “I love that phrase.”