Firstly, Lelouch’s physical appearance is undeniably striking. With his tall, lean physique and regal bearing, he exudes an air of elegance and sophistication. His violet eyes, often filled with intense determination or cunning calculation, draw viewers in and convey a depth of emotion that is both captivating and mysterious. Lelouch’s dark, tousled hair adds to his enigmatic charm, often falling over his forehead in a way that frames his expressive features. His attire, whether it's the school uniform of Ashford Academy or the elaborate garments of Zero, further accentuates his regal presence and adds to his overall appeal.

However, Lelouch’s allure extends far beyond his physical appearance. His intelligence and strategic prowess are key components of his attractiveness. Lelouch is a master tactician, able to outmaneuver his enemies and orchestrate elaborate plans with precision. This intellectual superiority is captivating, as it showcases his ability to think several steps ahead and adapt to changing circumstances. His cunning and resourcefulness are on full display in scenes where he manipulates political landscapes and military strategies, often turning seemingly impossible situations to his advantage. This mental acuity sets him apart from many other characters and adds a layer of complexity to his persona.

Lelouch’s charismatic personality is another factor that contributes to his status as the hottest guy in anime. He possesses a commanding presence that draws people to him, whether as the enigmatic leader Zero or as the charismatic student at Ashford Academy. His ability to inspire loyalty and rally others to his cause is a testament to his leadership qualities. This is evident in scenes where he addresses his followers, exuding confidence and determination that instills faith and fervor in those who support him. His voice, filled with conviction and resolve, adds to his magnetic charm, making it difficult for anyone to remain indifferent to his presence.

Moreover, Lelouch’s emotional depth and vulnerability make him an even more compelling character. Despite his outward confidence and strategic brilliance, Lelouch is driven by a deep-seated desire to create a better world for his sister Nunnally and to seek justice for past wrongs. His moments of introspection and internal conflict reveal a tortured soul grappling with the weight of his responsibilities and the moral implications of his actions. This vulnerability, juxtaposed with his formidable exterior, adds a layer of relatability and humanity to his character. Viewers are drawn to his struggle, empathizing with his quest for redemption and his longing for a brighter future.

Lelouch’s relationships with other characters further enhance his appeal. His complex dynamics with figures such as C.C., Suzaku, and Kallen reveal different facets of his personality, from his capacity for deep emotional connections to his ability to inspire fierce loyalty. These relationships add richness to his character, making him more than just a brilliant strategist but also a deeply connected and multifaceted individual.

In essence, Lelouch vi Britannia’s status as the hottest guy in anime is a result of his striking physical appearance, intellectual prowess, charismatic personality, and profound emotional depth. His character encapsulates a perfect blend of strength, vulnerability, and complexity, making him an enduring and captivating figure in the world of anime.