Dragon Quest Monsters 4 gets Zannen na Mamono Jiten crossover
Takahashi Shoten's Zannen na Ikimono Jiten series and Square Enix's Dragon Quest Monsters 4 began posting the collaboration on X on October 23, 2026.
Takahashi Shoten's Zannen na Ikimono Jiten series and Dragon Quest Monsters 4: Bianca and Flora of the Dead Tree Kingdom have launched a collaboration project titled Zannen na Mamono Jiten, with entries published sequentially on social media and other channels from October 23, 2026, according to news.denfaminicogamer.jp.
The posts appear on the official Dragon Quest publicity X account (@DQ_PR) from the same date. The project presents the somewhat unfortunate ecology of monsters that appear in Dragon Quest Monsters 4 in the style of the Zannen na Ikimono Jiten books.
Zannen na Ikimono Jiten is published by Takahashi Shoten, while Square Enix publishes the Dragon Quest Monsters title.
Release plans for the game
Dragon Quest Monsters 4: Bianca and Flora of the Dead Tree Kingdom is scheduled for release on December 3, 2026 for Nintendo Switch, Switch 2, PlayStation 5 and Xbox Series X|S, and on December 4, 2026 for Steam.
The Zannen na Ikimono Jiten series has surpassed 5.55 million cumulative copies in print.
Quick answers
When does the Zannen na Mamono Jiten collaboration start?
Entries began being published sequentially on social media and other channels on October 23, 2026, on the official Dragon Quest publicity X account (@DQ_PR).
When is Dragon Quest Monsters 4 released?
It is scheduled for December 3, 2026 on Nintendo Switch, Switch 2, PlayStation 5 and Xbox Series X|S, and December 4, 2026 on Steam.