Karin Takahashi is a Japanese singer and musical actress, not to be confused with the voice actress with the same name, different kanji. She was a member of the group Prizmmy☆ until it's disbandment in 2017.
Death Note: The Musical 2017
as Sayu Yagami
Sailor Moon - Amour Eternal 2016
as Sailor Saturn / Hotaru Tomoe
Credits from TMDB.