[ ? Rokkun doesn't even remember his siblings' names or faces, there's no helping him.

... ]

The dead don't come back. Not as they are. But they can be reborn into something else... find their way back to their loved ones. Whenever a butterfly came to visit our garden, dad would point it out to me and say, "He's come to check up on you." I would pretend to be happy, so he doesn't worry.