Jirgin ruwan Yuan ya tsallaka teku tare da sauka a Hakata Bay a ranar 19 ga Nuwamba, mai tazara kadan daga Dazaifu, tsohuwar hedkwatar gudanarwa ta Kyūshū.Washegari aka kawo yakin Bun'ei (文永の役), wanda kuma aka fi sani da "Yakin Farko na Hakata Bay".Sojojin Japan, waɗanda ba su da masaniya da dabarun da ba na Japan ba, sun sami sojojin Mongol suna cikin ruɗani.Sojojin Yuan sun sauko daga cikin jirgin sun kuma ci gaba a cikin wani makeken jiki wanda ke da kariya ta fuskar garkuwa.Sun yi amfani da sandunansu cikin tsari mai matsewa ba tare da sarari a tsakaninsu ba.Yayin da suke ci gaba kuma suna jefa bama-bamai na takarda da na ƙarfe a wasu lokuta, abin da ya tsorata dawakan Japan tare da sanya su cikin yaƙi.Lokacin da jikan wani kwamandan Japan ya harba kibiya don sanar da farkon yakin, Mongols suka fashe da dariya.Yaƙin dai ya kasance na yini ɗaya kawai, kuma faɗan, ko da yake ya yi zafi, ba a haɗa kai da ɗan gajeren lokaci ba.Da dare sojojin Yuan na mamayewa sun tilastawa Jafanan daga bakin tekun tare da kashe kashi uku na sojojin da suke karewa, tare da kona su da dama a cikin kasa, suka kona Hakata.Jafanawa suna shirin tsayawa na ƙarshe a Mizuki (gidan ruwa), wani katafaren katafaren gini da aka gina tun daga shekara ta 664. Duk da haka harin Yuan bai taɓa zuwa ba.Daya daga cikin manyan kwamandojin Yuan guda uku, Liu Fuxiang (Yu-Puk Hyong), samurai mai ja da baya, Shoni Kagesuke, ya harbe shi a fuska, kuma ya ji munanan raunuka.Liu ya gana da sauran janar-janar Holdon da Hong Dagu a kan jirginsa.