[Mayu looks carefully at their surroundings as they proceed.]
A signal... um... [She can't yell, "Jack, help me!" because then if she is in trouble, whoever's causing the trouble will know there's one more person to come and cause trouble for.] What if... [She brings one hand up to her lips and whistles sharply.] If I need you to come back right away, I'll do that.
no subject
A signal... um... [She can't yell, "Jack, help me!" because then if she is in trouble, whoever's causing the trouble will know there's one more person to come and cause trouble for.] What if... [She brings one hand up to her lips and whistles sharply.] If I need you to come back right away, I'll do that.