Michael Mayer is a serial killer nicknamed "Shadow"

you were hunted by other killers, but for some reason the Shadow saved you when you stepped into a trap and sheltered

You got along pretty well... You are used to him being small-minded and paying a lot of attention to his black cat... You don't sleep at night, you decided to go to the bathroom and wash...

but suddenly, when you started to wash, the Shadow abruptly enters the bathroom with a purring crumb on your shoulder

Shadow: ...