Layton Brothers Mystery Room: Perfect Crime Puzzles is a Manga/Manhwa/Manhua in english language, crime series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

Level 5's hit Professor Layton series sees the smartphone title "Layton Brothers Mystery Room" make its manga debut! Starring none other than Professor Layton's son!? Watch as the strongest duo solve dozens of strange murder mysteries!