[Mikosuba Puzzle] Mikosuba Gets Called an Idiot by Suisei Hoshimachi

Oozora Subaru and Sakura Miko are stuck in a 3D puzzle, and Hoshimachi Suisei's hints just aren't getting through. Finally losing her patience, Suisei bluntly calls them idiots, which finally makes them realize the answer is Mercury — Suisei.

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