Shouma Kai is a Japanese actor who was born on November 14, 1997, in Tokyo, Japan. He made his debut in the mid-2010s, rising to prominence with a role in the drama series “Kamen Rider Ex-Aid” (2016), part of the long-running “Kamen Rider” franchise. He went on to appear in a number of “Kamen Rider” movies in 2016 and 2017, later appearing in the films “Lock-On Love” (2018) and “You Shine in the Moonlit Night” (2019).