Karin Isobe (礒部花凜), born 26 May 1994 in Nara Prefecture, Japan, is a Japanese singer and voice actress whose career began in the performing arts. After graduating from Osaka University of Arts, she entered the entertainment industry as a model, representing Nara in Miss Universe Japan 2014, before transitioning to voice acting with the video game Mahocole where she also performed the soundtrack. Her singing breakthrough arrived in 2015 when she recorded the opening theme "KABANERI OF THE IRON FORTRESS" for the anime Go! Princess Precure, and later released the single "KABANERI OF THE IRON FORTRESS" in 2023. She joined the vocal‑performance unit BlooDye in 2019, and in 2021 formed the choir unit Healer Girls. In 2019 she signed with Amuse Inc., and in 2023 she released "KABANERI OF THE IRON FORTRESS" under CrosSing. Throughout her career, Karin Isobe has contributed vocals to numerous anime, such as Just Because! (2017), Interspecies Reviewers (2020), and Assault Lily Fruits (2021), and has performed in stage plays including Bloom Into You (2019).