Warner Bros. Japan announced the fourth season for Is It Wrong to Try to Pick Up Girls in a Dungeon? (DanMachi) slated for 2022. The first season premiered in April 2015.
The anime adaptation is based on the light novel series written by Fujino Ōmori and illustrated by Suzuhito Yasuda. The series has sold over 12 million copies collectively. Yen Press is publishing the manga and light novels in English.
Additional details on Season 4 have yet to be revealed. J.C. Staff has been in charge of the animation production for the first three seasons.
The storyline details for the third OVA for the series, titled Is It Wrong to Crave Hot spring in Orario? – God of the Hot Spring Forever –, were also revealed. The OVA is scheduled for the end of April 2021.
Warner Bros. Japan describes the upcoming OVA as:
A strange hot spring resort has suddenly sprung up in Orario. Since it appeared, people visited there daily to relieve stress. After their battle against the Black Goliath, Bell and the other members of the Hestia Familia enter the hot spring resort for a much-needed rest.
However, there is a group of people who are suspicious of the popular resort. What awaits them are hot springs, conspiracy theories, and secrets hidden behind the veil. After a dazzling adventure, Bell witnesses the truth of it all!
Source: press release