Liumu and his two companions stayed in the Land of Rain for a long time.
During that time, Jiraiya, as Yahiko's teacher, was roped into giving lengthy lessons to the children at the Ninja Academy in the Land of Rain.
Han's understanding of Kekkei Genkai also became an important source for expanding the Land of Rain's reference materials.
Only Liumu refused Yahiko's invitation to teach the children, and he did so with "righteous conviction."
"I'm still a kid myself. How can I teach them?"
Liumu was only seven at the time, and because the Land of Rain's Ninja Academy had only recently been established, its students included not only five- and six-year-olds like those in Konoha, but even eight- and nine-year-olds older than Liumu.
Having Liumu teach them...
Teach them what?
Ninjutsu?
Genjutsu?
Or... Taijutsu?
Liumu knew he could not teach them Ninjutsu. Aside from the few basic techniques, everything he had learned was a Konoha secret.
He could not teach Genjutsu either. His Heavenly Fox Eyes came from the heavenly fox template, and he could not explain the principles behind them.
Taijutsu was the simplest option, and it was also Liumu's strong suit.
But Liumu's supposed specialty, Taijutsu, basically consisted of defeating his opponents with a single punch, which made it rather liable to lead the children astray.
In the end, Yahiko could not win the argument and left Liumu to play around in the Land of Rain.
One day, Toad Wu suddenly appeared, spat out a scroll, and handed it to Jiraiya.
Seeing Jiraiya deep in thought, Liumu guessed that it probably contained information from Konoha.
Sure enough.
After reading it, Jiraiya's expression grew considerably more serious.
With only Liumu and Han beside him, Jiraiya said, "The situation between the Land of Fire and its neighbors seems