Quick answer — Wakana Maruoka voices Ireena Olhyde in The Greatest Demon Lord Is Reborn as a Typical Nobody, Haito Le Buffett in Petals of Reincarnation, Yuki Suou in Alya Sometimes Hides Her Feelings in Russian and 5 more characters.
Wakana Maruoka voices Ireena Olhyde (The Greatest Demon Lord Is Reborn as a Typical Nobody), Haito Le Buffett (Petals of Reincarnation), Yuki Suou (Alya Sometimes Hides Her Feelings in Russian), Wakana Asagi (I Want to End this Love Game), Sumire Kasahara (My Clueless First Friend), Kotoko (Night World), Keito (SHIBOYUGI: Playing Death Games to Put Food on the Table), Arone (I Became a Legend After My 10 Year-Long Last Stand).
Ireena Olhyde is voiced in Japanese by Wakana Maruoka.
