ACCEL WORLD, Volume 1,Chapter 1(2)
In the six months since he’d started junior high, Haruyuki had long abandoned the hope that one of the girls might have broken school rules to send him a friendly message. He desperately wanted to drop the message unopened in the trash in the lower left corner of his eyeline, but if he did that, he’d have no idea what was going to happen to him later.
Reluctantly, taking advantage of the teacher’s turned back, he raised his right hand in the air (this action was real rather than virtual) and clicked on the mail icon with the tip of his finger.
In an instant, bubibaborububiru, a sound without any actual character, and graphics like a flood of primary colors assaulted Hiroyuki’s senses. Then the real message played—not text, but voice.