Ryusei Yokohama (横浜 流星, Yokohama Ryūsei; born September 16, 1996) is a Japanese actor, model, and former singer. He is best known for playing the role of the pink-haired Yuri Kyohei in the 2019 romantic comedy drama A Story to Read When You First Fall in Love, as well as Hikari Nonomura (ToQ 4gou) in the 2014 Super Sentai TV series Ressha Sentai ToQger.