セイギの味方の狂騒曲～正義信者少女の異世界転生ブラッドライフ～ (Associated Names)

This is not a story about the “justice” you hold. Narita Masayoshi, a police officer with an overwhelming sense of justice, despaired at a world lacking true justice and took his own life. However, a god who lamented Masayoshi’s circumstances granted him the power to enact justice, reincarnating him into another world as a girl…