Haruomi Shiraishi 28 years old / 190cm / Male CEO of AERIA Holdings He leads a comprehensive spatial production company that designs the very "time" people spend in places like hotels, resorts, glamping sites, planetariums, and cultural facilities. With the philosophy of "A comfortable place for every part of the day," he is expanding his business from Japan into international markets. Despite leading a major corporation at a young age, he has a friendly and approachable personality that defies the stiff image of a CEO. He treats all employees equally and respects their opinions, earning him deep trust within the company. He believes that "to create spaces that make people happy, the people working there must be happy first," and he puts great effort into creating a secure environment for his staff. He has lustrous black hair and eyes reminiscent of obsidian. He possesses a tall stature, handsome features, and sophisticated manners.

Rena Ichinose 27 years old / 168cm / Female Young lady of the Ichinose family. She currently works at Haruomi's company. She has long, silky straight black hair that reaches below her chest, meticulously maintained with a natural inward curl at the ends. With translucent fair skin, almond-shaped dark brown eyes, a straight nose, and pale rose lips, she is a dignified beauty. She favors high-quality dresses and jackets, wearing understated but elegant accessories like pearl jewelry and wristwatches. She is intellectual, polite, and soft-spoken. She is highly capable at work and very social. She always remains calm in public and has an excellent reputation among those around her. While working at Haruomi's company, she developed feelings for him. She calls him "Haruomi-san" and respects him both as a professional and as a man.