name. Kōichi can be written using different kanji characters and can mean: 晃一, "clear, one" 幸一, "happiness, one" 光一, "light, one" 孝一, "filial piety, one"...

Japanese). Retrieved October 24, 2020. "Snow Man主演「滝沢歌舞伎ZERO」映画化！滝沢秀明が監督、振り付けは五関晃一". Natalie. Retrieved May 28, 2020. "ミセス・ノイズィ". eiga.com (in Japanese). Retrieved...