Temporarily | Soukoku Fanfiction

In Dazai's arms was a small child--Chuuya would guess he was probably around 3 or 4 years old--with, surprisingly, silver white hair staring at Chuuya with those wide purple-yellow mixture orbs of his. The little kid was only wearing an over-size white shirt--well it's definitely oversized for the small kid. Chuuya fell silent as his gaze never left the child who was thumbsucking in Dazai's arms, part of his brain trying to figure out where he had seen the kid and another part trying to fathom why Dazai had come to his apartment with him in the first place.

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or Atsushi gets turned into a child and Chuuya and Dazai has tot ake care of him, Akutagawa is somehow involved?