[DeepL Translation - needs review] Introduction to Volume 1: An angel from heaven and a demon cast out of hell for poor performance. The two (?) transform into a girl named Mari and a dog named Pochi and come down to earth. The two (?) are transformed into a girl named Mari and a dog named Pochi and come down to earth, where they find a used apartment building where a nice detective lives. And soon a murder occurs. On top of that, a young woman is also killed in the detective's bedroom, maki...
