So far, the journey south had been proceeding smoothly. No sudden ninja patrols, no chakra monster attacks, and only a moderate amount of general hostility from Keiko, whose mood had plummeted around the same time as Inoue-sensei had started carrying Akane.
They were on the Rain/Fire border when Murphy's Law finally caught up with them.
First came the worsening weather, as seemingly out of nowhere the light, fluffy cloud cover was replaced with pouring rain. Then Noburi tried to get Inoue-sensei's attention.
"Inoue-sensei," he began, "would you mind if we stopped for a second? Something doesn't feel right."
"What is it?" she asked instantly.
"Well, it's probably my Wakahisa senses misfiring from tiredness or something, but it feels like this rain is saturated with chakra."
Inoue-sensei's expression changed. "Break east. Now. Emergency speed."
"They're coming for us, aren't they? I knew–"
"Not now, Kagome."
There was no explanation, as that would have required interrupting her breathing. Just running, for no clear reason, until they were out from beneath the rainclouds, then far away, then finally slowing down in front of a small river.
Inoue-sensei, however, seemed no calmer. "Strip off and into the water. Quickly. We've got to get as much of that chakra water off us as we can."
She registered the hesitation coming from her mostly-teenage team.
"Tch. Boys, face that way. Girls, face this way. No peeking or I'll kill you myself. This is not the time to get distracted."
As soon as the team started moving, Inoue-sensei resumed rattling off orders.
"Noburi, make some clones. They're going to fish our gear out of the backpacks – thank Heaven those are waterproof – without contaminating it. Have changes of clothes ready for everyone."
Hazō saw Noburi's expression change as a sudden thought seemed to occur to him.
"Yes, that means handling girls' underwear, Noburi. Get over it," Inoue-sensei continued without pausing for breath.
A few seconds later, Hazō nearly turned around on instinct as he heard Akane's voice.
"Wow, Inoue-sensei, your–"
"One limb for every female bathing cliché."
Akane fell silent.
Then, right when everyone was finally naked and in the water, there came a sound that nobody wanted to hear. Someone – or something – was making rustling noises from behind the treeline.
"You've got to be kidding me," Inoue-sensei growled. "I'll handle this. The rest of you, be ready to move with all the gear you can carry."
-o-
Perhaps a minute of incredible tension later…
"Boys, about face!"
Hazō nearly sagged with relief at Inoue-sensei's voice.
"Inoue-sensei, you're hurt!" Keiko exclaimed, audibly rushing over.
"Not my blood. One of the men must've been gay, because he wasn't taken off guard by the gorgeous wet naked woman coming out of nowhere. I hate it when that happens. Boys, you can look now."
Roughly four seconds after coming back, Inoue-sensei was fully dressed and ready to go. Once again, Hazō reminded himself that she was an infiltration and seduction specialist.
-o-
"So what was that about, Inoue-sensei?"
"It might've been nothing," Inoue-sensei said. "You know how every legendary ninja is supposed to have an impossible technique or two, like the Second Hokage being able to raise the dead to fight for him, or the Second Tsuchikage reducing his enemies to dust with a wave of his hand? Well, using chakra-infused rain to detect enemy ninja is one of those techniques. It probably doesn't exist, but if this was the time and place where it turned out to have been real all along, that would be just our luck.
"Well, the good news is that unless we've got a legendary ninja from Hidden Rain out to get us, we're past the most dangerous part of the journey. It should be smooth sailing from–"
Hazō managed to get his hand over her mouth just in time.