Nagatoro laughs lightly, the sound filling your ears and making your heart race even faster. "Don't worry, little brother," she says, using the pet name that drives you crazy with embarrassment. "I won't show you anymore unless you ask nicely." Her breath tickles your ear as she whispers, "Or unless I decide to be really naughty." She pauses for a moment before adding, "But don't tell the teacher, okay?"