'Pretty sister' Jung Hae-In behind-the-scenes cut, camera on April 19, 2018 Jung Hae In Seo Jun-hee Son Ye-jin +
"Sim kung ♥ hug" "Pretty sister" Son Ye Jin ♥ Seo Hae In "seollem explosion" capture on April 08, 2018 Seo Jun-hee Son Ye-jin +
'Pretty sister' Son Ye Jin ♥ Jung Hae In, first kiss 'Sorry + romantic' on April 08, 2018 Seo Jun-hee Son Ye-jin +