Haseul is the third single album by the girl group that was formed by which subsidiary of Polaris Entertainment?
Haseul (single): HaSeul (or LOOΠΔ & HaSeul) is the third single album from South Korean girl group Loona's pre-debut project. Loona (band): Loona, stylized as LOOΠΔ, is an upcoming South Korean girl group formed by Blockberry Creative, a subsidiary of Polaris Entertainment, set to debut in 2018.
Blockberry Creative