Having brought an end to the power struggle that engulfed the entire demon world and regained their peaceful daily lives, Basara and the others start a day with Mio's "forbidden bath time indulgence." Following Maria's suggestion, the group heads to an indoor pool. However, due to Basara's careless action, Mio triggers an aphrodisiac curse! Determined to help the agonizingly tormented Mio, Basara resolves to act within the pool...!? Meanwhile, from the Hero Village, which is showing unsettling movements, Yuki and Kurumi receive a certain order. A fleeting respite—the curtain rises on Basara and the others' thrilling vacation!! Theatrical limited release began on January 27, 2018, for two weeks. A revised theatrical version aired on AT-X from 19:30 to 20:35 on March 4, 2018. The Blu-ray and DVD of this work were released on March 28, 2018.