Korean: 성민
Suwon, Gyeonggi-do
Country:South Korea
Oh Seong-min (오성민), formerly known as Jerome (제롬) is a South Korean singer under ARMADA Ent. He is a member of the boy group ONE PACT and a former member of TO1.
Using the stage name Jerome, he made his official debut in 2020 as the lead vocalist and visual of the boy group TO1 after ranking seventh in the survival show "World Klass." After two years of promoting with the group, on June 17, 2022, agency WAKEONE announced that Jerome had left the group for a brand new start. In the same year, he was revealed to be one of the participants of the hit survival show "Boys Planet", this time using his real name Oh Sung Min.
On October 4, 2023, Armada Entertainment revealed Seongmin as the Second Member of their upcoming boy group ONE PACT.