Volume 3

Dead Mount Death Play, Vol. 3 is the third volume of the Dead Mount Death Play manga series.

To celebrate the volume's release on April 25, 2019, Square Enix advertised a "commemorative fair" event in which consumers could acquire certain 'purchase benefits' if they bought the volume at participating stores. The purchase bonus offered at Animate Stores was a four-page leaflet, while certain Maruzen Junkudo bookstores offered "illustration paper."

Additionally, "illustration data" was advertised as a bonus accompanying the purchase of the digital addition via participating online retailers.

Official English Blurb
The family of Polka Shinoyama can't help noticing he's not quite himself, but discovering the young heir has been taken over by a necromancer from another world...?! Rozan Shinoyama isn't sure what to make of his son's transformation, but there's no denying this usurper is responsible for saving his twin grandchildren. The fire that would have claimed their lives has also caught the attention of the Phantom Solitaire, one of the police's slipperiest troublemakers. Known for his clever tricks, Solitaire craves a taste of real magic, which puts him hot on the trail of one unsuspecting Corpse God!

Chapters

 * Chapter 18
 * Chapter 19
 * Chapter 20
 * Chapter 21
 * Chapter 22
 * Chapter 23
 * Chapter 24
 * Chapter 25

Bonus Comics

 * Bonus Manga (two pages): None.
 * Comic Insert No.1 (between Chapters 21–22): Shizuki and Kazuki Shinoyama scrutinize Takeru Shinoyama's bodyguards Taipei and Bao.

Episode 3: The Evil Bones of the Frontier
Written by Ryohgo Narita, this six-page short story continues the adventures of Shagrua Lugrid as left off in Volume 2, Episode 2.

Specimen 3: Snowy
As the third entry into a "super-fun, illustrated guide to Dead Mount Death Play," this one-page exclusive features Polka Shinoyama's pet 'Snowy', an albino spectacled caiman. Two illustrations accompany the informational paragraph: the first features Snowy with a hummingbird perched on his head, and the second depicts Snowy being petted by a very young Polka.

Special Thanks
The illustration included in the Special Thanks page depicts Corpse God and Takumi Kuruya relaxing by a laptop. The Polka plush is draped over Corpse God's head.

Japanese Digital Benefit
The benefit for Volume 3, a single illustration drawn and signed by Shinta Fujimoto, features Corpse God atop a large shark sleeping bag or plush, inside the mouth of which is the Polka-possessed plush.