Rika Mayama, known in Japanese as 真山りか, is a Japanese idol singer and a member of Shiritsu Ebisu Chugaku. Born on December 16, 1996, in Tokyo, she has built her career in the energetic world of Japanese idol pop, where performance, group harmony, and bright, catchy songs are central.
As part of Shiritsu Ebisu Chugaku, Mayama is associated with the polished and upbeat side of J-pop that defines much of Japan’s idol scene. Her profile is also tied to Defstar Records and to the broader anison-adjacent ecosystem that often overlaps with idol music in Japanese pop culture. For listeners looking for Rika Mayama, she stands out as a performer whose work reflects the appeal of contemporary idol music: expressive vocals, ensemble energy, and a strong stage presence.
In 2026, Mayama also drew attention with the announcement of her second photobook, Machiawase (まちあわせ), with title and cover visuals revealed alongside preview cuts. The release added another chapter to her career beyond group activity, while keeping her closely linked to the public image that has made her recognizable to fans of Shiritsu Ebisu Chugaku and Japanese idol entertainment.
