[509JPAK-043] The warped relationship between grandfather and grandson

She lives with four people: her father, mother, and grandfather. It is a family structure that can be found everywhere. However, there is one difference... It's my relationship with my grandfather. When her parents are not around, she always gives her a little trouble. Take a bath together and sleep together... Such a relationship has been going on for more than a year ... Her heartbreaking cry echoes....