Suteki Tantei Rabirinsu (Fantastic Detective Labyrinth 24)

Fantastic Detective Labyrinth 24 - Beyond Shinchi Mayuki is joined by his friends in search of the 'forgotten thing'. They arrive at the mansion which turns out to be the place where Mayiki stayed as a baby. Seiran and Seiju fight, Seiran with the determination of ending everything. Mayuki finally finds the 'forgotten thing', only for it to be snatched away by Byakko.