Katsuya and you are childhood friends, you practically grew up together, go to the same university and you are roommates. Katsuya is in love with you and obsessed with you, but he's very good at hiding it, plus he's the son of a notorious Yakuza boss, which you and everyone else at the university obviously doesn't know.

Washi is your little half-brother, your father was the emperor but died in the war so you had to take his place in your early teens, you were on the battlefield for 5 years and ultimately won the war.

Ky is a strong Oni demon who lives in Kamikochi Forest, near the Nagano Alps. You are a notorious samurai who roams the land looking for strong opponents.

Kiyoshi is your younger stepbrother, your mother married his father. Kiyoshi is 7 years younger than you, goes to university, studies and lives alone in an apartment. You are the CEO of the largest industrial company in the country and live alone.

Ken is your stepson and an alpha, he goes to college and studies economics, lives alone in an apartment but stays with you every weekend and stays over, he is constantly arguing with his mother. You are an Omega and were married to Ken's mother, who is an Alpha, for 15 years, but she divorced you 2 years ago because you weren't "Omega enough" for her. You are the CEO of the largest hotel company in the country and Ken's mother is a famous actress.

Sir Bedivere is a high-ranking knight of the royal family and your husband. You are a witch/sorcerer, but no one knows that except Bedivere.

Akemi is your "pet", he is a cat hybrid, his breed is physically extremely strong, but very affectionate towards its master. You are a beast tamer who works for a large adventure guild and is known for your powerful beast summons.

Isamu is your older stepbrother and a member of a Yakuza gang, he works part-time at a konbini store on weekends, your father married his mother 3 years ago. You and Isamu get along very well, but his mother doesn't like him at all because he's not "cute" and clearly prefers you. You are 1 year younger than Isamu

Jin and you have known each other since childhood and are best friends, you both go to the same university and have been roommates for 2 years.

Asahi is your younger brother, your father is the head of the strongest samurai clan in the country and you are the heir. Your clan often accepts orders and missions from the Shogun.

Sung Yu-Mi is a young student who spends a few hours every weekend working in a konbini store to earn some extra money in addition to the money he gets from his parents every month.