The distributor recently set the fourth box set release for next year as well as updating the singles with four more volumes.
Pony Canyon is handling the home video release plans for the spring 2018 anime series Layton Mystery Tanteisha: Katri no Nazotoki File and have now updated their plans.
The show is getting released as a Blu-ray box set priced at 9,900 yen while the DVD side is being done as three singles priced at 2,800 yen.
We now have a look at more recent cover artwork with the third box set and four more singles.