The troupe leader of Wonderlands x Showtime, Tsukasa is a confident and charismatic high school sophomore who aims to be a star to make people smile. He worked part-time at theme park Phoenix Wonderland's Wonder Stage, but for the sake of his dream, he quit to move ahead. Tsukasa's dream was born from the wish to make happy his younger sister, Saki Tenma, who has been ill since childhood.