[1] Kazushima made his professional debut on September 20, 2020, at RISE EVOL 6 against Rui Kasami.
[4] On July 28, 2021, Kazushima faced former Rajadamnern Stadium, IBF and WPMF world champion Ryuya Okuwaki at RISE 151.
[5] Kazushima suffered his first professional defeat on January 23, 2022, when he lost by unanimous decision to Kuryu at RISE 154.
[6] On April 22, 2022, Kasushima entered a multi event 4-man tournament for the inaugural RISE Flyweight (51.5 kg) title.
Kazushima won the fight by majority decision in a bout where both fighters received an 8 count.