out of 101 girl that participate on the first series of Produce 101, these 3 are the most successful and ironically, Soyeon isnt even included on the final lineup, yet shes on the one of the biggest 4th gen girl group.
Both Somi and Sejeong are the top 2 trainee and included in IOI but their music career post-IOI are... disappointing ? Somi just have like 5 tittle track while Sejeong's group (Gugudan) flop. but both have a great career in other field (Somi with CF & Sejeong with Kdrama)