[MV] Hwang In Sun - You Tell Me

[MV] MIDNIGHT (feat. Hwang In Sun) - Girl Group's Flooded

Pre-debut. Don't know much about them yet.
They have a Youtube channel.

[MV] Hwang In Sun (feat. Outsider) - Dead Clock

[MV] Hwang In Sun - Hwang Ya (Wilderness)

Auntie InSun still at it!
This is the kind of thing that would go viral and Kpop fans would be baffled as to how it happened. Lol.

[MV] Hwang In Sun - Emoticon

InSun was the trainee dubbed 'Auntie' when she participated in Produce 101.
She gained a lot of fans for her age and cool personality.