Koshi Mizukami (水上恒司, Mizukami Kōshi, born 12 May 1999) is a Japanese actor. Until August 2022 he worked under the stage name Kenshi Okada (岡田健史).^[1]

A mụrụ Mizukami na 12 May 1999 na Higashi ward, Fukuoka Prefecture .^[2] Ọ malitere ịgba bọọlụ na klas nke abụọ nke ụlọ akwụkwọ elementrị ma bụrụkwa onye na-akụ azụ.^[3] Ọ gụsịrị akwụkwọ na Soseikan High School.^[4] Na mgbakwunye, Riku Kawahara [ ja ] nke ndị otu egwuregwu baseball ọkachamaraHanshin Tigers bụ nwata na klọb baseball, Mizukami bụ onye na-akụ azụ na Kawahara bụ onye ọkpọ.^[5][6]

N'oge oyi nke afọ mbụ nke ụlọ akwụkwọ sekọndrị nke obere, ụlọ ọrụ ntụrụndụ Spice Power (nkewa nwoke nke Sweet Power lebara ya anya nke mbụ. ). Mgbe nke ahụ gasịrị, ụlọ ọrụ ahụ na-achụ ya afọ ise, mana ọ nọgidere na-ajụ ihe a nyere ya ka ọ na-emikpu na baseball ma na-achọ igwu egwu na Koshien .^[7]

N'afọ 2017, mgbe ọ hapụrụ ụlọ egwuregwu bọọlụ mgbe ọ nọ n'afọ nke atọ nke ụlọ akwụkwọ sekọndrị, onye nkuzi bụ onye ndụmọdụ ụlọ egwuregwu ihe nkiri lebara ya anya ma kpọọ ya dị ka onye otu kamikaze n'ọrụ a na-akpọ "Hair combing August " wee sonye na asọmpi ihe nkiri nke ụlọ akwụkwọ sekọndrị prefectural.^[7] Ọrụ a ga-emeri ihe nrite kachasị elu na ngọngọ Kyushu nke asọmpi prefectural ma kwadoro ya maka asọmpi mba. Otú ọ dị, nke a abịaghị n'ihi usoro nke asọmpi ihe nkiri ụlọ akwụkwọ sekọndrị, bụ nke a na-eme n'ime afọ ruo na asọmpi ngọngọ na asọmpi mba, mana Mizukami gụsịrị akwụkwọ na ụlọ akwụkwọ sekọndrị n'afọ sochirinụ, ya mere ọ nweghị ike. ịsọ mpi maka asọmpi mba.^[7] Na mbụ, ọ zubere ịga mahadum wee gaa n'ihu na-egwu baseball, mana ka o sonye na asọmpi prefectural, ọ malitere ịchọ ịghọ onye na-eme ihe nkiri. Nne na nna ya, bụ ndị megidere mkpebi ya na mbụ bịara n'ikpeazụ n'ihi na ha nwere mmasị na mpụta mbụ ya.^[7]