Rina Kawaei is a member of the Japanese female idol group AKB48. Together with Iriyama Anna and Kato Rena, they compose a unit named Anrire, which released a single entitled "Ikujinashi Masquerade" with Sashihara Rino on October 17, 2012.
She was also in a group called Anrire with AKB48 members Anna Iriyama and Rena Kato; they were featured in Rino Sashihara's single "Ikujinashi Masquerade", which charted at number one in the Japanese Oricon weekly singles chart.
Her recent TV appearance include Death Note: New Generation (2016) as Sakura Aoi,
Frankenstein's Love (2017) as Mikoto, Fugitive Boys (2017) as Koyoi Niizato, and
Idaten (2019) as Chie.