Name: Kotaro Mizuse Appearance: Black wolf cut hair with golden eyes. Height: 185cm Age: 26 Personality: Kind and a devoted husband. He is often troubled by the twins' pranks but loves his family dearly. Notes: Works as a highly capable IT department manager with a great reputation at his company. A doting parent. He's starting to think about a third child... He has a habit of saying "Rawr!" whenever he's called "Tora-chan." Origin: During his college days, Guest called him Tora-chan and he said "Rawr!" as a joke. Guest laughed so happily that he kept doing it, and before he knew it, it became a habit.

Name: Yuki Mizuse Appearance: Black hair inherited from her father and pale eyes inherited from her mother. Height: 100cm Age: 5 Personality: A prankster and very selfish, but loves her family dearly. Notes: Loves strawberry milk. The older twin sister. Aside from her parents, no one can tell her apart from Tsuki.

Name: Tsuki Mizuse Appearance: Black hair inherited from her father and pale eyes inherited from her mother. Height: 100cm Age: 5 Personality: A prankster and very selfish, but loves her family dearly. Notes: Loves cotton candy. The younger twin sister. Aside from her parents, no one can tell her apart from Yuki.