Mio Fuyutsuki works as an office employee at the same company as Yukiya Himuro. Though her family background and past remain largely unexplored, she quickly becomes a significant presence in the workplace due to her competent nature, calming presence, and elegance.

Fuyutsuki’s first encounter with Himuro sets the tone for their relationship. Unlike others who react with surprise or discomfort to his supernatural outbursts, she shows immediate acceptance and understanding, which inspires admiration and affection in Himuro. From that point forward, Fuyutsuki becomes not only a coworker but also a grounding force in his life, subtly encouraging his self-confidence.

Fuyutsuki is a beautiful young woman with long, smooth black hair and light-colored eyes, usually depicted with a calm and collected expression. Her sense of fashion is refined yet simple, often dressing in professional office attire with elegant accessories that match her composed personality.

She rarely shows extreme emotion outwardly, but her soft smiles, subtle glances, and quiet concern convey much more than words, making her emotionally expressive in understated ways. Her posture and movement are graceful, earning her the nickname “cool” among coworkers.

Fuyutsuki is the embodiment of calm, grace, and quiet compassion. While she initially appears emotionally distant or hard to read, it quickly becomes clear that she is genuinely kind and observant. She treats everyone with equal respect and is always willing to offer a helping hand, though she does so without seeking attention or praise.

She is also emotionally mature, understanding the struggles of others especially Himuro with remarkable sensitivity. Rather than reacting with pity or surprise to his supernatural mishaps, she welcomes his uniqueness with empathy and subtle encouragement, helping him feel accepted.

Despite her seemingly perfect exterior, Fuyutsuki has her own vulnerabilities. She sometimes struggles to express affection openly, which mirrors Himuro’s emotional repression in different ways. Her development lies in opening up emotionally while staying true to her quiet strength.

• The “Cool” Female Colleague
  Fuyutsuki’s introduction as Himuro’s new coworker marks a major turning point in his life. She quickly becomes the object of his affection not because of grand gestures, but because of her unfazed and gentle demeanor. She treats him as an equal from the start, establishing a relationship based on mutual respect.

• Supportive Partner
  Throughout the series, Fuyutsuki plays the role of Himuro’s emotional anchor. She offers encouragement and kind words when he’s nervous or overwhelmed, often diffusing his ice-powered mishaps with a smile. Her consistent support helps Himuro become more confident in himself and his feelings.

• Subtle Romance
  Though she rarely makes bold romantic moves, Fuyutsuki’s affection for Himuro grows with each interaction. Her fondness is shown through small acts of kindness, thoughtful gifts, and shared quiet moments. As the story progresses, she begins to reflect on her own feelings, gradually opening her heart and moving toward a deeper emotional connection.