Kidnapping Practice (Katrielle Layton x Ernest Greeves)

MAJOR SPOILERS FOR THE LAST CASE IN LAYTON'S MYSTERY JOURNEY! Katrielle needs to prepare herself in case some criminal kidnaps her, so she decides to learn how to untie herself. Ernest is happy to play the villain. It's all to help Miss Layton get experience, right? (No smut, even though it's a bit kinky.)