Once upon a time there was a Honmaru[Comprehensive]

This story tells the story of a girl who lost her memory and was roped in to be a divine interrogator, and then the happy process of recovering her memory was full of twists and turns. It is also a messy process in which Ichihonmaru gradually goes from normal (?) traditional painting style to collapse (?). Everyone knows about relaxed, daily, KUSO, private, and imaginative things. The heroine's venomous tongue speaks out about the ice beauty...