 Nyorai kupfuurira kwendima iyi - Muna 1960, apo Suehiro Nishio akaumba Democratic Socialist Party, dzimwe nhengo dzeDare dzaiva dzeboka reJSP reKawakami dzakapandukira DSP. Mukuita kudaro, zvinonzi Sachigaro Kaoru Ōta weGeneral Council of Trade Unions yeJapan akakumbira Kawakami kuti asachinje chikamu chake chose kuenda kuDSP mukutsinhana nekubatana musarudzo. Zvisinei, kuitira kudzora manzwiro eboka raKawakami, Kawakami pachake akamhanya musarudzo yehutungamiriri hweJSP, uye akarasikirwa nemumiriri anotsigirwa neboka raSuzuki, Inejiro Asanuma nemuganhu mudiki. Boka raKawakami rakafadzwa nokuratidzwa uku kwokutsigirwa kusingatarisirwi uye nokudaro kurudziro yaro inotsigira DSP yakaderera, uye somugumisiro Kawakami akabudirira kuchengeta kunyange kupesana kuduku zvikuru muboka reJSP. Zvisinei, kutevera Inejirō AsanumaPashure porufu rwaJ.S.P., muna October 1960, pashure penguva pfupi apo Saburō Eda akanga ari sachigaro anoshanda, Kawakami akasarudzwa kuti ave sachigaro weJSP. 