SEE ALSO: Kim So Eun and Kang Ha Neul enter first filming for their upcoming horror film 'The Girl's Grave'

When asked about her relationship with Kang Ha Neul during an interview with 'bnt', Kim So Eun clarified, "We are just friends." She also revealed her ideal type, "Actor Won Bin has been my ideal type since I was little." 

Just like artists who make promises they'll keep if they win #1, Kim So Eun also made a promise of her own, "If the audience count surpasses 2 million, Kang Ha Neul and I will hold a guerilla fan signing event."

'The Girl's Grave' is directed by Oh In Chun and portrays the story of In Soo (Kang Ha Neul) who has a sixth sense of seeing ghosts. He meets a mysterious female ghost (Kim So Eun) at his new school when his classmates start disappearing one by one.

'The Girl's Grave' will premiere in June!