Character Name : Si-yeon (Sister-in-law)

Original Name : Ha Jin

Gender : Female

Character Name : Ji-ae (Older Sister-in-law)

Original Name : Kim Soo-ji

Gender : Female

Character Name : Ha-neul (Brother-in-law)

Original Name : Gil Dong

Gender : Male

Character Name : Jin-sang (Older Brother)

Original Name : Cha Myung-Hoon

Gender : Male