Sushi Ramen Riku
Riku's videos generally feature contrived practical stunts and experiments, often conceived supposedly to aid everyday convenience, such as building a rig to take off his pants using pressurized air or to break world records such as using a massive rubberband slingshot to catapult him while riding an office chair. Riku also films his occasional pranks on family members. He started making videos for YouTube in junior high school, where he was part of a group called "Sushi Ramen" with some classmates. After graduating, he attended to a different high school from his classmates and then he  started working alone, although keeping the same name. Even after graduating, Riku and his friends were prohibited from broadcasting videos showing their respective schools, which led to the pixilation of several of their videos. He opened his main channel, Sushi Ramen Riku, on October 23, 2013, where he makes mostly experimental videos. On May 21, 2015, he opened a subchannel called Sushi Ramen 2nd.