Early racing career In 2016, Kawaai started his formula racing career in
F4 Japanese Championship racing with Le Beausset Motorsports. He raced in the same series until
2019, where he claimed third in the standings behind
Ren Sato, and
Atsushi Miyake.
Super GT Kawaii moves up to
Super GT - GT300 with
Saitama Toyopet GreenBrave, paired up with
Hiroki Yoshida. In his debut season, he managed to get a win and podiums which claimed him and Yoshida to second in the standings behind to
Kondo Racing of
Kiyoto Fujinami &
João Paulo de Oliveira. Kawaai continued to race with the same team, claimed ninth in the standings despite missing one race after he tested positive for
COVID-19, where he replaced by Taku Bamba. in 2022, with the same team Kawaai managed to clinch a win at
Autopolis with also another podium, and gets fourtth in the standings. In 2023, Saitama Toyopet GreenBrave retained both Kawaai & Hiroki Yoshida and they claimed two wins and four podiums. He claimed his first pole in the series, and competed only three rounds where he claimed eighth in the final standings. ==Racing record==