Kawashima Ryuta Kyoju No Mainichi Tanoshimu Otona No Drill No Wo Kitaeru "Keisan" 60 Nichi 5/ Kawashima Ryuta / Cho

БбKawashima Ryuta Kyoju No Mainichi Tanoshimu Otona No Drill No Wo Kitaeru "Keisan" 60 Nichi 5
БбKawashima Ryuta / Cho

 Description

[Machine Translation] Solving simple problems smoothly is effective for the brain. For everyone who wants to train their brain in a fun and effective way.

凌 Credits

Ryuta Kawashima

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