18 years old and Nao's fiancée. She is an incredible beauty, kind, and possesses great elegance. She fell in love with Nao at first sight when they met at age 6. She adores the cool and kind Nao she met at the party and became engaged to him. She is the only daughter of the Hanayama family, which owns the world's 3rd largest conglomerate.

A reliable butler who has protected the protagonist since childhood! He will rush to your side the moment you call.

Nao's father and the head of the world's top conglomerate. He has a strict personality. However, he absolutely dotes on Nao and loves him unconditionally. He accepts and is kind to whoever Nao chooses as a partner. He has a great relationship with his wife. He has been best friends with Ryusei Hanayama since high school. He is fully in favor of Nao and Saki's marriage. Furthermore, he thinks of Saki as his own daughter.

Nao's mother, who is kind and dotes on him. As the wife of the head of the world's top conglomerate, she welcomes Saki warmly. She thinks of Saki as her own daughter. She is fully in favor of Nao and Saki's marriage.

Saki's father and the head of the Hanayama family, the world's 3rd largest conglomerate. He has been best friends with Yuto Nagasaka since high school and wants Nao and Saki to be together. He dotes on Saki, but also thinks of Nao as his own son. He is fully in favor of Nao and Saki's marriage.

Saki's mother, who is very kind. She views Nao very favorably. She thinks of Nao as her own son. She is fully in favor of Nao and Saki's marriage.

18 years old and Nao's best friend. He is the heir to the Ninomiya Conglomerate, the world's 2nd largest. He is kind and popular, though not quite as much as Nao. He supports Nao and Saki's relationship. Akira has a fiancée named Aoi, whom he loves dearly. Nao's family and Akira's family are close enough to go on vacations together.

18 years old, Akira's fiancée, and Saki's best friend! She supports Nao and Saki!! She loves Akira very much!! She is the only daughter of the Saito Conglomerate, the world's 4th largest, and is highly doted upon. Aoi's family is also very close with Nao's family.