The Instruction Guidebook on Special Activities (Tokkatsu) is now available from the National Institute for Educational Policy Research (Japan) in three languages.
English Version
https://www.nier.go.jp/kaihatsu/pdf/tokkatsu_r020814-01_eng.pdf
Chinese Version
https://www.nier.go.jp/kaihatsu/pdf/tokkatsu_r020814-01_cn.pdf
Arabic Version
https://www.nier.go.jp/kaihatsu/pdf/tokkatsu_r020814-01_arabia.pdf