is a Japanese actor. Until August 2022, he worked under the stage name .
Early life Mizukami was born on 12 May 1999 in Higashi ward, Fukuoka Prefecture. He started playing baseball in the second grade of elementary school and mainly served as a catcher. He graduated from Soseikan High School. In addition, of the professional baseball team Hanshin Tigers was a junior in the baseball club, Mizukami was a catcher and Kawahara was a pitcher.
Career In the winter of his first year of junior high school, he was first scouted by the entertainment agency Spice Power (the male division of talent agency ). After that, he was pursued by the agency for five years, but he kept turning down the offer as he was immersed in baseball and was aiming to play in Koshien.
In 2017, after departing from the baseball club when he was in his third year of high school, he was scouted by a teacher who was an adviser to the drama club, he agreed to play as a kamikaze member in a work called Hair Combing August and participated in the prefectural high school drama competition. This work would win the highest award at the Kyushu block of the prefectural competition and was recommended for the national competition. However, this did not come to be due to the format of the high school drama competition, which is held within the year up to the block competition and the national competition, but Mizukami graduated from high school in that subsequent year, thus he was unable to compete for the national competition. Originally, he had planned to go to college and continue playing baseball, but after participating in the prefectural tournament, he began to desire becoming an actor. After being initially opposed to his choice, his parents finally changed their minds after being impressed by his acting debut.
After auditioning for the television drama Meet Me After School on TBS, which started broadcasting in October 2018, he was selected as the main character's partner, portrayed by Kasumi Arimura, and made his debut as an actor. For this work he received the Newcomer Award at the 28th TV Life Annual Drama Awards.
In July 2019, he starred in the special drama commemorating the 50th anniversary of the opening of Fukuoka Broadcasting .
In 2020 he made his film debut in the movie , he then appeared in his second television drama
In December 2020, he won first place in the "NEXT" category of the popular voting project "National Treasure Class Handsome Ranking" in the second half of 2020 of the women's fashion magazine ViVi.
In 2021, he appeared in the NHK Taiga drama Reach Beyond the Blue Sky. On March 19 of the same year, he won the New Actor Award in the 44th Japan Academy Award for three works; All About March, The Legacy of Dr. Death: Black File, and Hope.
In May 2021, he filed a provisional injunction with the court to cancel the contract with his agency, Mizukami agreed to continue working with the same agency until the expiration of the contract at the end of March 2023, and not to renew the contract after expiration, and a settlement was reached.
On 31 August 2022, he announced that his contract with his agency had ended ahead of schedule and that he would continue his activities under his real name, Koshi Mizukami. In September, he formed a business alliance with the company HAKU.
On 14 February 2023, it was announced that he would play the character, Aisuke Murayama, in the NHK serial television drama Boogie Woogie. In the same year, Mizukami starred alongside Haruka Fukuhara in the film Till We Meet Again on the Lily Hill, which was released on December 8, 2023. For his role as kamikaze pilot Akira Sakuma, he was nominated for the Best Actor Award at the 47th Japan Academy Film Prize. The film also became a box office hit, grossing over ¥4 billion.
Personal life On February 28, 2026, Mizukami announced via his agency that he had married an ordinary woman and that they are already expecting their first child.
Filmography Film Year Title RoleNotes2020All About MarchAyumuHopeTadashi IshikawaThe Legacy of Dr. Death: Black FileKei SawadaThe Untold Tale of the Three KingdomsSun Quan2021Caution, Hazardous Wife: The MovieJuri IwaoAnd So the Baton Is PassedKento Hayase2022Lesson in MurderMasaya KakeiLead role2023Mentalese ExpressShinji HayashiLead role; Taiwanese short web filmOutKaname AbeTill We Meet Again on the Lily HillAkira SakumaLead role2024After the FeverHayatoHakkenden: Fiction and RealityInukai GenpachiThe Real YouKishitaniThe Voices at WarToshiki Asakura2025Kowloon Generic RomanceHajime KudoLead roleDream Animals: The MovieElephant (voice)The Bird Is CallingYuji KukiLead roleWind BreakerHaruka SakuraLead role2026Tokyo Burst: Crime CityShiro AibaLead role; Japanese–Korean filmTill We Meet Again on the Starry HillAkira SakumaF(r)ictionTadaLead role2027UnderdogMasayuki OkanoLead role
Television drama Year Title RoleNotes2018Meet Me After SchoolAkira Kuroiwa2019Don't You Think Girls Who Talk in Hakata Dialect Are Cute?Miyako AzumaLead role; single-episode dramaIf You Follow Me, It's OverSotaro NakamuraLead role; web series Doctor-X: Surgeon Michiko Daimon season 6Kiyoaki YokkaichiEpisode 42020My Dear NinaAtsushi ToyamaLead role; web seriesMIU404Yohito KokonoeThe Tale of Oedo MonstersKazuma ShinkaiLead role This is The Last SummerKaoru FujiiLead role; short dramaTrue Horror Stories 2020Yōhei ŌnoLead role; single-episode drama2021Another Story of the Tower of SakuraYuma TogashiLead role; web seriesReach Beyond the Blue SkyOdaka HeikurōTaiga dramaAdministrator KingYuta HirayamaDate My Daughter!Hikaru Irino2023Cinderella of MidsummerSōsuke HayakawaThe War of the AnnouncersToshiki Asakura Television filmBoogie WoogieAisuke MurayamaAsadora2024Golden Time: The Story of Kintaro HattoriKintarō Hattori (young adult)Television filmBlue MomentYugo Sonobe2025MonsterYashiro MasatoLead roleSynanthropeKennosuke TonariLead role2026Soul MateOikawaCriminalShujiLead role
Narration Year TitleNotes2019Telementary "Telling Hiroshima-Nagasaki Peace Messenger"2020Serial meal TV essay “I want to eat with you”2022Heartnet TV "Who am I? Children born with AID"
Awards and nominations +Year presented, name of the award ceremony, category, nominee(s) of the award, and the result of the nominationYearAward ceremonyCategoryNominated work(s)Result201828th TV Life Annual Drama AwardsNewcomer of the YearMeet Me After School202033rd Nikkan Sports Film AwardsYūjirō Ishihara Newcomer AwardAll About March, The Legacy of Dr. Death: Black File, and Hope202144th Japan Academy Film Prize New Actor AwardAll About March, The Legacy of Dr. Death: Black File, and Hope202447th Japan Academy Film PrizeBest ActorTill We Meet Again on the Lily Hill202549th Elan d'or AwardsNewcomer of the YearHimself
Bibliography Photobook "Kodou" (12 June 2019)
Calendar "Kenshi Okada Calendar 2020.04 – 2021.03" (14 February 2020) "Kenshi Okada Calendar 2021.04 – 2022.03" (12 February 2021)
Notes
References
External links at HAKU at TVer