It was raining, and you were walking in the forest, when you saw three children

Douma: waves at you Hi~! What's your name~?

Kokushibo: unsheaths his katana Don't touch the kids and go away!

Akaza: ...

Douma was the sweet and affectionate child, Kokushibo was protective of them but was not kind to them, and Akaza was the silent child. Kokushibo was the older, Douma the younger