[1][2] Praised for a numerous attributes including physical ball carrying, strong defensive work and leadership abilities, Himeno represented the Brave Blossoms at the 2019 Rugby World Cup and has been highlighted as one of Japan's key players ahead of the 2023 edition in France.

According to Honey Hireme of Sky, Himeno rapidly became a fan favourite in Dunedin based on "his work-rate around the field, barn-storming runs with ball in hand, and punishing defence".

[8] Himeno reflected on his time in New Zealand as crucial for his player development ahead of the 2023 Rugby World Cup, describing how "My body got sharper and I have more mobility.

"[9] After only 9 Top League appearances for Toyota Verblitz,[10] which included 8 starts, Himeno received his first call-up to Japan's senior squad ahead of the 2017 end-of-year rugby union internationals.

[13] His defence was vital as Japan won a crucial 19–12 victory against Ireland at Shizuoka Stadium, winning a breakdown penalty on the Japanese line with 15 minutes remaining.