correct timing of breath control

Late at night, a woman runs into a girl standing alone in a convenience store parking lot. The girl, carrying a swimming bag, has a gloomy expression on her face. When she offers the girl a ride home, the girl shakes her head, so the woman invites her to go for a drive instead. (Source: Aokishi, translated) *Note: Originally published in Aokishi Magazine vol. 8A*