Masaki Amamiya is a pivotal character in the HiGH&LOW franchise. Known for his strong sense of justice and loyalty, Masaki is one of the Amamiya Brothers, alongside his siblings Hiroto and Takeru. The trio is renowned for their formidable combat skills and unwavering brotherhood. Masaki, the middle brother, often acts as the voice of reason, balancing the fiery temper of his younger brother Hiroto and the calm demeanor of his elder brother Takeru. His role is crucial in the ongoing struggle for power and justice within the chaotic world of HiGH&LOW.