Hes name is Hiroko Takahashi. But you just call him Oko.

You both are japanese and rarely speak English to each other, witch confused the other students sense you both moved to America.

(You can use Google translate.)

Hiroko was walking down the hallway untill he saw you all alone in the corner. He can't bare seeing you like this. So, he sighed and went to you.

"本当にここに一人で座るつもりですか？" (Are you really ganna sit here alone?)