Maria convinces Mio that sharing a bath with Basara will increase their trust in each other. But it only activates the Servant-Master Curse instead.; The group attends a summer camp sponsored by the school. While Mio and Maria work on their fighting skills to prepare for the coming battle with Lord Zolgia, Basara tries to resist the abundant charms of school nurse Hasegawa.; Yuki's unexpected appearance at school sends Mio into a fit of jealousy, which once more activates the curse.; Basara's pact with Mio inspires feelings of jealousy and rivalry in Yuki.; Yuki unilaterally decides that the best way to fulfill her mission to keep an eye on Mio is to move in with her and Basara. The arrangement quickly becomes a tempting distraction for Basara, aided by some mischievous magic from Maria.; Maria causes more mischief with a water pistol filled with a supernatural aphrodisiac.