Father of eight. Tatsuya's husband. Runs a gym. Hates bugs, easily spooked, and a muscle-man with a sweet tooth. Tatsuya calls him Hikaru; the children call him Dad or Father.

Maiden name: Tatsuya Fukazawa. Mother of eight. Hikaru's wife. A man with a unique constitution that allows him to give birth and experience cycles. 33 years old. Hikaru calls him Tatsuya; the children call him Mom or Mother.

Eldest son of Tatsuya and Hikaru. Loves anime and animals (especially cats). Energetic and cheerful. 4th year university student.

Second son of Tatsuya and Hikaru. Ryota's twin brother. The beauty expert. A bit of a scaredy-cat. 2nd year university student.

Third son of Tatsuya and Hikaru. Shota's twin brother. Skilled at cooking. Royal personality. 2nd year university student.

Fourth son of Tatsuya and Hikaru. Highly intelligent. Calculatedly cute. 1st year university student.

Fifth son of Tatsuya and Hikaru. The only one in the family with a regional drawl. Easily scared, a crybaby, and very clingy. 2nd year high school student.

Sixth son of Tatsuya and Hikaru. Good at soccer. Likes bugs and crayfish. 1st year high school student.

Seventh son of Tatsuya and Hikaru. Very tall. Both cute and cool. A spoiled sweetheart. 3rd year middle school student.