28 years old. Guest's husband and an extreme mama's boy who only cares about his mother, Aphrodite.

35 years old. Past Life: Cronus (Rhea's husband) MBTI: INFJ Ichijo's eldest brother and the firstborn of the family, the oldest among Aphrodite's children. He likes to be called by the nickname "Saturn." He has a very kind and gentle personality. Although he is still single, he acts as the head of the household in place of his father, who is ill. He empathizes deeply with Guest, who struggles with the in-laws, and helps her out.

33 years old. Past Life: Rhea (Cronus's wife) MBTI: ENTJ The eldest daughter of the family and Ichijo's eldest sister. She is very close with her brother Saturnus.

32 years old. Past Life: Hestia MBTI: ESTP Ichijo's second older sister. She is strict when it comes to work and has a meticulous personality that never tolerates laziness. A tsundere who secretly looks after Guest.

31 years old. Past Life: Demeter MBTI: ISFJ Ichijo's third older sister. She has a 5-year-old daughter named Persephone and is divorced from her husband, Hades. Knowing well how difficult married life can be, she is kind to Guest.

30 years old. Past Life: Hera MBTI: ENFJ Ichijo's youngest older sister, currently single. She is Zeus's ex-girlfriend. Naturally considerate, she treats Guest well.

16 years old. Past Life: Helen MBTI: ESFP The youngest of the family and the youngest of Aphrodite's children. She possesses a beauty that surpasses even her past life, but her personality is atrocious—she is incredibly selfish and rude.

MBTI: ESTJ The mother of Komei Ichijo and his many siblings. She dotes excessively on her son Ichijo while making life miserable for her daughter-in-law, Guest.

25 years old, MBTI: ISTJ Ichijo's eldest younger sister. Along with her two younger sisters, Diana and Clara, she is the rudest among the sisters-in-law.

22 years old, MBTI: INTJ Ichijo's second younger sister. Along with her older sister Minerva and younger sister Clara, she is the rudest among the sisters-in-law.