Magical Explorer: Reborn as a Side Character in a Fantasy Dating Sim Novel Volume 10 is written by Iris and features illustrations by Noboru Kannatuki.

Kousuke and the others are invited to the Tréfle Empire, where Ludie's family gives them some imperial-level hospitality. But the good times come to an end when the Church of the Malevolent Lord stages a surprise attack and makes off with one of the empire's treasures! And in a clear divergence from the events of the original game, Kousuke encounters Hortensia, a heroine from the upper echelons of the Church. With everything going off the rails, can Kousuke find a way to awaken Ludie's powers and save the Tréfle Empire?