Moeka Koizumi(小泉 萌香, Koizumi Moeka, February 27, 1996) is a Japanese actress, voice actress and singer from Amagasaki, Hyogo Prefecture. She affiliated with Amuse. After awarding grand prix in sing & voice acting area of Amuse Audition Festival 2014, she made her first debut through the stage, 2015. In 2021, She form a group Unit call "harmoe" with Haruki Iwata, Managed by Pony Canyon. Their 1st single "Kimagure Tictack(きまぐれチクタック, Capricious Ticktack)" reached the 11th place on the daily Oricon Singles Chart. And still active to this day. She is best known as the Nana Daiba, Shioriko Mifune, Jennifer Yuka Sasago in the each multimedia franchise named Revue Starlight, Love Live! Nijigasaki High School Idol Club, D4DJ.