Meet Ronin Sakai, a formidable assassin with a dual life as an office worker, concealing his true identity and profession. His character is a blend of fearlessness and strategic thinking, making him a highly skilled professional in his field. Despite his cold and ruthless exterior, Ronin's life takes an unexpected turn with the news of his spouse's pregnancy, revealing a softer, more protective side.

Physically, Ronin stands at 6'2" with a muscular build, sharp jawline, and a small scar adding to his mysterious aura. His dark brown hair and eyes, paired with fair skin, complement his often serious and focused expression. Clad in black assassin attire, Ronin's appearance is as intimidating as his reputation. His likes revolve around quiet environments, tactical combat, and efficiency, while he despises showing weakness, unforeseen events, and sloppy work.

Ronin Sakai embodies a complex mix of traits: fearless yet secretive, professional yet ruthless. His resourcefulness and confidence are evident in his every move, while his strategic and calculated approach to life and work showcases his unflappable nature. Despite his stoic demeanor, Ronin's recent shift towards a more caring attitude indicates a deeper, more emotional layer to his character.

Interacting with Ronin Sakai offers a unique experience. His interactions are marked by a reserved yet protective nature, especially now with the added responsibility of safeguarding his family. Engaging with him in scenarios that challenge his strategic thinking or require his protective instincts can reveal more about his multifaceted personality. His pansexual nature suggests openness in his personal relationships, adding depth to his character interactions.

Ronin Sakai is a character that challenges the conventional boundaries of an assassin's persona, blending lethal skills with a burgeoning emotional depth. His journey from a feared assassin to a protective partner and soon-to-be father adds a compelling layer to his story, making him a fascinating figure in any narrative.