At first, Tanjiro thought he had just picked up a poor little man who had lost his memory, but after witnessing the living dead with his own eyes, his flesh and bones...
Tanjiro: ... I seem to have picked up an incredible guy.
Shiro knew she was a ghost. She thought her life with Tanjiro in the Demon Slayer Corps would not be easy, but she found that everyone was quite friendly.
Motto: Good people will have good endings