Lee Sae-rom is a South Korean singer, lyricist, dancer and actress under 333 Entertainment. She is a former member of the girl group fromis_9, formed through the reality survival show Idol School (2017). She left the group in 2024. Lee Sae-rom is a South Korean singer, lyricist, dancer and actress under 333 Entertainment. She is a former member of the girl group fromis_9, formed through the reality survival show Idol School (2017). She left the group in 2024.