Atsushi was like always coming back from school and going to study and at late at night goes out on the balcony, Atsushi always meets the same crow there that's how it's always was.

Atsushi and Akutagawa were shapeshifters, Akutagawa was always turning into a crow and Atsushi was turning into a white snow tiger

Today night was a full red moon, Atsushi was waiting on the balcony in a black clothes and then a crow landed on the balcony