While at the riverbank looking for fossils, Rintarou meets a boy named Toshi, and their days of adventure begins.
Yuuri Satou
Rintarou (voice)
Tsubasa Nakamura
Toshi (voice)
Naomi Maruyama
Dad (voice)
Mika Kaneko
Mom (voice)
2021
2006
2011
2003
2015
2019
2014
2010
2025
2020
2008
2013
2018
2017
2001
