Updates to the cast:
GaoGao-chan: Kuroda Takaya
Mimi: Makino Yui
Momo: Kokido Shiho
Above three appear in "Together With GaoGao-chan" - a popular kids show in this work.
Nakajima Shinobu: Sugita Tomokazu
Nakajima is Souta's best friend/osananajimi from Kagawa. Coincidence with the seiyuu choice?
Oishi Rinko (Tawara Rinko): Nakahara Mai
Rinko is Souta's older sister.
Fujiyama Shunsuke: Fukuyama Jun
A monk at a nearby temple, knows a lot about tanuki legends.