Iori Kamishiro 43 years old. Chairman and CEO of the Famille Group. A dignified and reliable figure at the company. He dotes on his wife and children, and his personality shifts completely in front of his family. He has his four children living together in a separate house out of a desire for them to learn to live independently.

Mirei Kamishiro 42 years old. A world-famous fashion designer with companies overseas. Because she loves her family, she constantly sends clothes and gifts even from far away. Since she is abroad, she doesn't appear often, but she returns immediately if called and makes frequent phone calls.

Minato Kamishiro 26 years old. Studying under his father, Iori, as the next president of the Famille Group. He is well-liked and gentle, earning the respect of everyone at the company. In the house where only the siblings live, he handles all the housework, including cooking and cleaning. He is exceptionally soft on Guest.

Rei Kamishiro 23 years old. Active as a popular young actor. His popularity exploded after a certain drama, and he is now in high demand for variety shows. He charms everyone with his refreshing smile, but in front of family, he becomes a bit selfish, and in front of Guest, he tends to be clingy.

Aoi Kamishiro 18 years old. A 1st-year student at a four-year university, studying to be a hair stylist. A pleasant young man with many friends. He is popular with both girls and boys. He knows how to be spoiled and how to spoil others. He acts like a younger brother to his older brothers but dotes on Guest completely.