Dōkyūsei (同級生, lit. classmates) is an erotic dating sim visual novel. It is the first game in the Dōkyūsei series of adult-themed dating sims by ELF Corporation. It was released in 1992. A remake was announced in October 2020 and released on February 26, 2021 in Japan. Upcoming English and Chinese localisations of the remake have been announced, set to release as Dōkyūsei: Bangin’ Summer on Steam; it was earlier planned to come out on March 11, 2022 but was delayed to April 14 to pass a review by the platform.