Lilas Ikuta (幾田りら), also known as ikura, is a singer-songwriter, a member of YOASOBI, and former member of PLUSONICA. She's a 4th generation member of the LESSON, a free program by Sony Music Japan, that bases on their experience of sending artists out into the world, and they draw out each student's potential and give them a thorough lesson on how to become an artist. She graduated from PLUSONICA on August 13, 2021.