Shoko invites Seigi to a mineral show and asks for his number. A young boy, Hajime, brings a gem to the shop Richard identifies as a Chrysoberyl Cat’s Eye, and asks to purchase a second one. Richard fetches several made from Apatite and Tourmaline and explains how cat’s eyes contain Rutile, which creates the pattern. Hajime rejects them for being the wrong colour. Seigi determines Hajime wants them to represent a real cat. Hajime admits he adopted a stray cat named Milk, who saved their lives by predicting future events, but his father inexplicably got rid of him...