May 12, 2020
Newsletter No. 58 (Japanese and English) published
February 27, 2020
Newsletter No. 57 (Japanese and English) published
November 18, 2019
Newsletter No. 56 Japanese and English) published
August 29, 2019
Newsletter No. 55 (Japanese and English) published
July 11, 2019
Newsletter No. 54 (Japanese and English) published
March 20, 2019
Newsletter No. 53 (Japanese and English) published
October 18, 2018
Newsletter No. 52 (Japanese & English) published
July 17, 2018
Newsletter No. 51 (Japanese & English) published
February 14, 2018
Newsletter No. 50 (English) is published
October 13, 2017
Newsletter No. 49 (English) is published